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/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <http://feross.org>
 * @license  MIT
 */
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/*!
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/*!
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function G(t,e){var r=new Set(e),n=new Map([]),i=!0,o=!1,s=void 0;try{for(var a,u=e[Symbol.iterator]();!(i=(a=u.next()).done);i=!0){var c=a.value;if(-1!==c.indexOf("."))for(var l=c.split("."),f=l[0],h=1;h<l.length;++h)n.set(f,c),f=f+"."+l[h]}}catch(t){o=!0,s=t}finally{try{!i&&u.return&&u.return()}finally{if(o)throw s}}var p=[],y=!0,d=!1,v=void 0;try{for(var _,m=t[Symbol.iterator]();!(y=(_=m.next()).done);y=!0){var g=_.value;r.has(g)?p.push(g):n.has(g)&&p.push(n.get(g))}}catch(t){d=!0,v=t}finally{try{!y&&m.return&&m.return()}finally{if(d)throw v}}return p}
/*!
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function X(t,e,r,n){var i=t.schema,o=Object.keys(i.virtuals),s=o.length,a=s,u=void 0,c=void 0,l=t._doc,f=void 0,h=S(n,"aliases",!0);if(!l)return e;for(r=r||{},s=0;s<a;++s)if(u=o[s],h||!i.aliases.hasOwnProperty(u)){if(c=u,null!=r.path){if(!u.startsWith(r.path+"."))continue;c=u.substr(r.path.length+1)}var p=c.split(".");if(void 0!==(f=C(t.get(u),r))){var y=p.length;l=e;for(var d=0;d<y-1;++d)l[p[d]]=l[p[d]]||{},l=l[p[d]];l[p[y-1]]=f}}return e}
/*!
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/*!
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 */
z.prototype.toBSON=function(){return this.toObject(N)},z.prototype.init=function(t,e,r){return"function"==typeof e&&(r=e,e=null),this.$__init(t,e),r&&r(null,this),this},
/*!
 * ignore
 */
z.prototype.$__init=function(t,e){if(this.isNew=!1,this.$init=!0,e=e||{},null!=t._id&&e.populated&&e.populated.length){var r=String(t._id),n=!0,i=!1,o=void 0;try{for(var s,a=e.populated[Symbol.iterator]();!(n=(s=a.next()).done);n=!0){var u=s.value;u.isVirtual?this.populated(u.path,k.getValue(u.path,t),u):this.populated(u.path,u._docs[r],u)}}catch(t){i=!0,o=t}finally{try{!n&&a.return&&a.return()}finally{if(i)throw o}}}
/*!
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/*!
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function(t,e){if(null==t._id||null==e||0===e.length)return;var r=String(t._id),n=!0,i=!1,o=void 0;try{for(var s,a=e[Symbol.iterator]();!(n=(s=a.next()).done);n=!0){var u=s.value;if(!u.isVirtual)for(var c=u.path,l=c.split("."),f=0;f<l.length-1;++f){var h=l.slice(0,f+1).join("."),p=l.slice(f+1).join("."),y=t.get(h);if(null!=y&&y.isMongooseDocumentArray){for(var d=0;d<y.length;++d)y[d].populated(p,null==u._docs[r]?[]:u._docs[r][d],u);break}}}}catch(t){i=!0,o=t}finally{try{!n&&a.return&&a.return()}finally{if(i)throw o}}}(this,e.populated),this.emit("init",this),this.constructor.emit("init",this),this.$__._id=this._id,this},z.prototype.update=function(){var t=k.args(arguments);t.unshift({_id:this._id});var e=this.constructor.update.apply(this.constructor,t);return null!=this.$session()&&("session"in e.options||(e.options.session=this.$session())),e},z.prototype.updateOne=function(t,e,r){var n=this,i=this.constructor.updateOne({_id:this._id},t,e);return i._pre(function(t){n.constructor._middleware.execPre("updateOne",n,[n],t)}),i._post(function(t){n.constructor._middleware.execPost("updateOne",n,[n],{},t)}),null!=this.$session()&&("session"in i.options||(i.options.session=this.$session())),null!=r?i.exec(r):i},z.prototype.replaceOne=function(){var t=k.args(arguments);return t.unshift({_id:this._id}),this.constructor.replaceOne.apply(this.constructor,t)},z.prototype.$session=function(t){if(0===arguments.length)return this.$__.session;if(this.$__.session=t,!this.ownerDocument){var e=this.$__getAllSubdocs(),r=!0,n=!1,i=void 0;try{for(var o,s=e[Symbol.iterator]();!(r=(o=s.next()).done);r=!0){o.value.$session(t)}}catch(t){n=!0,i=t}finally{try{!r&&s.return&&s.return()}finally{if(n)throw i}}}return t},z.prototype.overwrite=function(t){var e=Array.from(new Set(Object.keys(this._doc).concat(Object.keys(t)))),r=!0,n=!1,i=void 0;try{for(var o,s=e[Symbol.iterator]();!(r=(o=s.next()).done);r=!0){var 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/*!
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function(t,e){if(!t.$__.validationError)return;var r=Object.keys(t.$__.validationError.errors),n=!0,i=!1,o=void 0;try{for(var s,a=r[Symbol.iterator]();!(n=(s=a.next()).done);n=!0){var u=s.value;u.startsWith(e+".")&&delete t.$__.validationError.errors[u]}}catch(t){i=!0,o=t}finally{try{!n&&a.return&&a.return()}finally{if(i)throw o}}0===Object.keys(t.$__.validationError.errors).length&&(t.$__.validationError=null)}(this,t),F.$isSingleNested&&null!=e&&a){e instanceof z&&(e=e.toObject({virtuals:!1,transform:!1}));var Q=Object.keys(e),J=!0,G=!1,X=void 0;try{for(var Z,tt=Q[Symbol.iterator]();!(J=(Z=tt.next()).done);J=!0){var et=Z.value;this.$set(t+"."+et,e[et],h,n)}}catch(t){G=!0,X=t}finally{try{!J&&tt.return&&tt.return()}finally{if(G)throw X}}return this}var rt=!0;try{var nt=function(){if(null==F.options)return!1;if(!(e instanceof z))return!1;var t=e.constructor,r=F.options.ref;if(null!=r&&(r===t.modelName||r===t.baseModelName))return!0;var n=F.options.refPath;if(null==n)return!1;var i=e.get(n);return i===t.modelName||i===t.baseModelName}(),it=!1;nt&&e instanceof z&&(this.populated(t,e._id,o({},U,e.constructor)),it=!0);var ot=void 0;if(F.options&&Array.isArray(F.options[this.schema.options.typeKey])&&F.options[this.schema.options.typeKey].length&&F.options[this.schema.options.typeKey][0].ref&&
/*!
 * ignore
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function(t,e){if(!Array.isArray(t))return!1;if(0===t.length)return!1;var r=!0,n=!1,i=void 0;try{for(var o,s=t[Symbol.iterator]();!(r=(o=s.next()).done);r=!0){var a=o.value;if(!(a instanceof z))return!1;var u=a.constructor.modelName;if(null==u)return!1;if(a.constructor.modelName!=e&&a.constructor.baseModelName!=e)return!1}}catch(t){n=!0,i=t}finally{try{!r&&s.return&&s.return()}finally{if(n)throw i}}return!0}(e,F.options[this.schema.options.typeKey][0].ref)&&(this.ownerDocument?(ot=o({},U,e[0].constructor),this.ownerDocument().populated(this.$__fullPath(t),e.map(function(t){return t._id}),ot)):(ot=o({},U,e[0].constructor),this.populated(t,e.map(function(t){return t._id}),ot)),it=!0),null==this.schema.singleNestedPaths[t]&&(e=F.applySetters(e,this,!1,K)),F.$isMongooseDocumentArray&&Array.isArray(e)&&e.length>0&&null!=e[0]&&null!=e[0].$__&&null!=e[0].$__.populated){var st=Object.keys(e[0].$__.populated),at=!0,ut=!1,ct=void 0;try{for(var lt,ft=function(){var r=lt.value;s.populated(t+"."+r,e.map(function(t){return t.populated(r)}),e[0].$__.populated[r].options)},ht=st[Symbol.iterator]();!(at=(lt=ht.next()).done);at=!0)ft()}catch(t){ut=!0,ct=t}finally{try{!at&&ht.return&&ht.return()}finally{if(ut)throw ct}}it=!0}if(!it&&this.$__.populated){if(Array.isArray(e)&&this.$__.populated[t])for(var pt=0;pt<e.length;++pt)e[pt]instanceof z&&(e[pt]=e[pt]._id);delete this.$__.populated[t]}this.$markValid(t)}catch(r){r instanceof u.StrictModeError&&r.isImmutableError?this.invalidate(t,r):r instanceof u.CastError?(this.invalidate(r.path,r),r.$originalErrorPath&&this.invalidate(t,new u.CastError(F.instance,e,t,r.$originalErrorPath))):this.invalidate(t,new u.CastError(F.instance,e,t,r)),rt=!1}return rt&&this.$__set(H,t,h,I,F,e,K),F.$isSingleNested&&(this.isDirectModified(t)||null==e)&&g(this,t),this},z.prototype.set=z.prototype.$set,z.prototype.$__shouldModify=function(t,e,r,n,i,o,s){return!!this.isNew||null==this.schema.singleNestedPaths[e]&&(void 0===o&&!this.isSelected(e)||!(void 0===o&&e in this.$__.activePaths.states.default)&&(!(this.populated(e)&&o instanceof z&&D(o._id,s))&&(!D(o,s||this.get(e))||!!(!r&&null!==o&&void 0!==o&&e in this.$__.activePaths.states.default&&D(o,i.getDefault(this,r))))))},z.prototype.$__set=function(t,e,n,i,o,s,a){H=H||r(25);var u=this;this.$__shouldModify(t,e,n,i,o,s,a)&&(this.markModified(t),W||(W=r(81)),s&&s.isMongooseArray&&(s._registerAtomic("$set",s),s.isMongooseDocumentArray&&s.forEach(function(t){t&&t.__parentArray&&(t.__parentArray=s)}),this.$__.activePaths.forEach(function(t){t.startsWith(e+".")&&u.$__.activePaths.ignore(t)})));for(var c=this._doc,l=0,f=i.length,h="";l<f;l++){var p=l+1===f;if(h+=h?"."+i[l]:i[l],Y.has(i[l]))return;p?c instanceof Map?c.set(i[l],s):c[i[l]]=s:k.isPOJO(c[i[l]])?c=c[i[l]]:c[i[l]]&&c[i[l]]instanceof H?c=c[i[l]]:c[i[l]]&&c[i[l]].$isSingleNested?c=c[i[l]]:c[i[l]]&&Array.isArray(c[i[l]])?c=c[i[l]]:(c[i[l]]=c[i[l]]||{},c=c[i[l]])}},z.prototype.$__getValue=function(t){return k.getValue(t,this._doc)},z.prototype.$__setValue=function(t,e){return k.setValue(t,e,this._doc),this},z.prototype.get=function(t,e,r){var n=void 0;r=r||{},e&&(n=this.schema.interpretAsType(t,e,this.schema.options));var i=this.$__path(t);if(null==i&&(i=this.schema.virtualpath(t)),i instanceof c){var o=this.schema.virtualpath(t);null!=o&&(i=o)}var s=t.split("."),a=this._doc;if(i instanceof _){if(0===i.getters.length)return;return i.applyGetters(null,this)}"string"==typeof this.schema.aliases[s[0]]&&(s[0]=this.schema.aliases[s[0]]);for(var u=0,l=s.length;u<l;u++)a&&a._doc&&(a=a._doc),a=null==a?void 0:a instanceof Map?a.get(s[u],{getters:!1}):u===l-1?k.getValue(s[u],a):a[s[u]];if(n&&(a=n.cast(a)),null!=i&&!1!==r.getters)a=i.applyGetters(a,this);else if(this.schema.nested[t]&&r.virtuals)return X(this,k.clone(a)||{},{path:t});return a},
/*!
 * ignore
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z.prototype[L]=z.prototype.get,z.prototype.$__path=function(t){var e=this.$__.adhocPaths,r=e&&e.hasOwnProperty(t)?e[t]:null;return r||this.schema.path(t)},z.prototype.markModified=function(t,e){this.$__.activePaths.modify(t),null==e||this.ownerDocument||(this.$__.pathsToScopes[t]=e)},z.prototype.unmarkModified=function(t){this.$__.activePaths.init(t),delete this.$__.pathsToScopes[t]},z.prototype.$ignore=function(t){this.$__.activePaths.ignore(t)},z.prototype.directModifiedPaths=function(){return Object.keys(this.$__.activePaths.states.modify)},z.prototype.$isEmpty=function(t){var e={minimize:!0,virtuals:!1,getters:!1,transform:!1};if(arguments.length>0){var r=this.get(t);return null==r||"object"===(void 0===r?"undefined":i(r))&&(k.isPOJO(r)?function t(e){if(null==e)return!0;if("object"!==(void 0===e?"undefined":i(e))||Array.isArray(e))return!1;var r=!0;var n=!1;var o=void 0;try{for(var s,a=Object.keys(e)[Symbol.iterator]();!(r=(s=a.next()).done);r=!0){var 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Parent path `"+f+"` already set to type "+l[_].name+".";throw new Error(m)}l=l[_]}}catch(t){p=!0,y=t}finally{try{!h&&v.return&&v.return()}finally{if(p)throw y}}l[u]=A.clone(e),this.paths[t]=this.interpretAsType(t,e,this.options);var g=this.paths[t];if(g.$isSchemaMap){var b=t+".$*",w={type:{}};if(A.hasUserDefinedProperty(e,"of"))w=A.isPOJO(e.of)&&Object.keys(e.of).length>0&&!A.hasUserDefinedProperty(e.of,this.options.typeKey)?new k(e.of):e.of;this.paths[b]=this.interpretAsType(b,w,this.options),g.$__schemaType=this.paths[b]}if(g.$isSingleNested){for(var O in g.schema.paths)this.singleNestedPaths[t+"."+O]=g.schema.paths[O];for(var S in g.schema.singleNestedPaths)this.singleNestedPaths[t+"."+S]=g.schema.singleNestedPaths[S];for(var E in g.schema.subpaths)this.singleNestedPaths[t+"."+E]=g.schema.subpaths[E];Object.defineProperty(g.schema,"base",{configurable:!0,enumerable:!1,writable:!1,value:this.base}),g.caster.base=this.base,this.childSchemas.push({schema:g.schema,model:g.caster})}else g.$isMongooseDocumentArray&&(Object.defineProperty(g.schema,"base",{configurable:!0,enumerable:!1,writable:!1,value:this.base}),g.casterConstructor.base=this.base,this.childSchemas.push({schema:g.schema,model:g.casterConstructor}));if(g.$isMongooseArray&&g.caster instanceof c){for(var $=t,x=g,P=[];x.$isMongooseArray;)$+=".$",x.$isMongooseDocumentArray?(x.$embeddedSchemaType._arrayPath=$,x=x.$embeddedSchemaType.clone()):(x.caster._arrayPath=$,x=x.caster.clone()),x.path=$,P.push(x);var N=!0,T=!1,F=void 0;try{for(var I,L=P[Symbol.iterator]();!(N=(I=L.next()).done);N=!0){var U=I.value;this.subpaths[U.path]=U}}catch(t){T=!0,F=t}finally{try{!N&&L.return&&L.return()}finally{if(T)throw F}}}if(g.$isMongooseDocumentArray){var V=!0,q=!1,W=void 0;try{for(var H,Y=Object.keys(g.schema.paths)[Symbol.iterator]();!(V=(H=Y.next()).done);V=!0){var z=H.value;this.subpaths[t+"."+z]=g.schema.paths[z],g.schema.paths[z].$isUnderneathDocArray=!0}}catch(t){q=!0,W=t}finally{try{!V&&Y.return&&Y.return()}finally{if(q)throw W}}var K=!0,Q=!1,J=void 0;try{for(var G,X=Object.keys(g.schema.subpaths)[Symbol.iterator]();!(K=(G=X.next()).done);K=!0){var Z=G.value;this.subpaths[t+"."+Z]=g.schema.subpaths[Z],g.schema.subpaths[Z].$isUnderneathDocArray=!0}}catch(t){Q=!0,J=t}finally{try{!K&&X.return&&X.return()}finally{if(Q)throw J}}var tt=!0,et=!1,rt=void 0;try{for(var nt,it=Object.keys(g.schema.singleNestedPaths)[Symbol.iterator]();!(tt=(nt=it.next()).done);tt=!0){var ot=nt.value;this.subpaths[t+"."+ot]=g.schema.singleNestedPaths[ot],g.schema.singleNestedPaths[ot].$isUnderneathDocArray=!0}}catch(t){et=!0,rt=t}finally{try{!tt&&it.return&&it.return()}finally{if(et)throw rt}}}return this},Object.defineProperty(k.prototype,"base",{configurable:!0,enumerable:!1,writable:!0,value:null}),k.prototype.interpretAsType=function(t,e,r){if(e instanceof c)return e;var o=null!=this.base?this.base.Schema.Types:k.Types;if(!(A.isPOJO(e)||e instanceof l)&&"Object"!==A.getFunctionName(e.constructor)){var s=e;(e={})[r.typeKey]=s}var a=!e[r.typeKey]||"type"===r.typeKey&&e.type.type?{}:e[r.typeKey],u=void 0;if(A.isPOJO(a)||"mixed"===a)return new o.Mixed(t,e);if(Array.isArray(a)||a===Array||"array"===a||a===o.Array){var f=a===Array||"array"===a?e.cast:a[0];if(f&&f.instanceOfSchema)return new o.DocumentArray(t,f,e);if(f&&f[r.typeKey]&&f[r.typeKey].instanceOfSchema)return new o.DocumentArray(t,f[r.typeKey],e,f);if(Array.isArray(f))return new o.Array(t,this.interpretAsType(t,f,r),e);if("string"==typeof f)f=o[f.charAt(0).toUpperCase()+f.substring(1)];else if(f&&(!f[r.typeKey]||"type"===r.typeKey&&f.type.type)&&A.isPOJO(f)){if(Object.keys(f).length){var h={minimize:r.minimize};r.typeKey&&(h.typeKey=r.typeKey),r.hasOwnProperty("strict")&&(h.strict=r.strict),r.hasOwnProperty("typePojoToMixed")&&(h.typePojoToMixed=r.typePojoToMixed);var p=new k(f,h);return p.$implicitlyCreated=!0,new o.DocumentArray(t,p,e)}return new o.Array(t,o.Mixed,e)}if(f&&(u="string"==typeof(a=!f[r.typeKey]||"type"===r.typeKey&&f.type.type?f:f[r.typeKey])?a:a.schemaName||A.getFunctionName(a),!o.hasOwnProperty(u)))throw new TypeError("Invalid schema configuration: `"+u+"` is not a valid type within the array `"+t+"`.See http://bit.ly/mongoose-schematypes for a list of valid schema types.");return new o.Array(t,f||o.Mixed,e,r)}if(a&&a.instanceOfSchema)return new o.Embedded(a,t,e);if((u=n.isBuffer(a)?"Buffer":"function"==typeof a||"object"===(void 0===a?"undefined":i(a))?a.schemaName||A.getFunctionName(a):null==a?""+a:a.toString())&&(u=u.charAt(0).toUpperCase()+u.substring(1)),"ObjectID"===u&&(u="ObjectId"),null==o[u])throw new TypeError("Invalid schema configuration: `"+u+"` is not a valid type at path `"+t+"`. See http://bit.ly/mongoose-schematypes for a list of valid schema types.");return new o[u](t,e)},k.prototype.eachPath=function(t){for(var e=Object.keys(this.paths),r=e.length,n=0;n<r;++n)t(e[n],this.paths[e[n]]);return this},k.prototype.requiredPaths=function(t){if(this._requiredpaths&&!t)return this._requiredpaths;for(var e=Object.keys(this.paths),r=e.length,n=[];r--;){var i=e[r];this.paths[i].isRequired&&n.push(i)}return this._requiredpaths=n,this._requiredpaths},k.prototype.indexedPaths=function(){return this._indexedpaths?this._indexedpaths:(this._indexedpaths=this.indexes(),this._indexedpaths)},k.prototype.pathType=function(t){var e=D(t);return this.paths.hasOwnProperty(t)?"real":this.virtuals.hasOwnProperty(t)?"virtual":this.nested.hasOwnProperty(t)?"nested":this.subpaths.hasOwnProperty(e)||this.subpaths.hasOwnProperty(t)?"real":this.singleNestedPaths.hasOwnProperty(e)||this.singleNestedPaths.hasOwnProperty(t)?"real":null!=M(this,t)?"real":/\.\d+\.|\.\d+$/.test(t)?R(this,t):"adhocOrUndefined"},k.prototype.hasMixedParent=function(t){var e=t.split(/\./g);t="";for(var r=0;r<e.length;++r)if((t=r>0?t+"."+e[r]:e[r])in this.paths&&this.paths[t]instanceof $.Mixed)return this.paths[t];return null},k.prototype.setupTimestamp=function(t){var e=this.childSchemas.find(function(t){return!!t.schema.options.timestamps});if(t||e){var r=g(t,"createdAt"),n=g(t,"updatedAt"),i=null!=t&&t.hasOwnProperty("currentTime")?t.currentTime:null,o={};this.$timestamps={createdAt:r,updatedAt:n},n&&!this.paths[n]&&(o[n]=Date),r&&!this.paths[r]&&(o[r]=Date),this.add(o),this.pre("save",function(t){var e=_(this,"$__.saveOptions.timestamps");if(!1===e)return t();var o=null!=e&&!1===e.updatedAt,s=null!=e&&!1===e.createdAt,a=null!=i?i():(this.ownerDocument?this.ownerDocument():this).constructor.base.now(),u=this._id&&this._id.auto;if(!s&&r&&!this.get(r)&&this.isSelected(r)&&this.set(r,u?this._id.getTimestamp():a),!o&&n&&(this.isNew||this.isModified())){var c=a;this.isNew&&(null!=r?c=this.$__getValue(r):u&&(c=this._id.getTimestamp())),this.set(n,c)}t()}),this.methods.initializeTimestamps=function(){var t=null!=i?i():this.constructor.base.now();return r&&!this.get(r)&&this.set(r,t),n&&!this.get(n)&&this.set(n,t),this},a[S.builtInMiddleware]=!0;var s={query:!0,model:!1};this.pre("findOneAndUpdate",s,a),this.pre("replaceOne",s,a),this.pre("update",s,a),this.pre("updateOne",s,a),this.pre("updateMany",s,a)}function a(t){var e=null!=i?i():this.model.base.now();d(e,r,n,this.getUpdate(),this.options,this.schema),y(e,this.getUpdate(),this.model.schema),t()}},k.prototype.queue=function(t,e){return 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this.plugins.push({fn:t,opts:e}),t(this,e),this},k.prototype.method=function(t,e,r){if("string"!=typeof t)for(var n in t)this.methods[n]=t[n],this.methodOptions[n]=A.clone(r);else this.methods[t]=e,this.methodOptions[t]=A.clone(r);return this},k.prototype.static=function(t,e){if("string"!=typeof t)for(var r in t)this.statics[r]=t[r];else this.statics[t]=e;return this},k.prototype.index=function(t,e){return t||(t={}),e||(e={}),e.expires&&A.expires(e),this._indexes.push([t,e]),this},k.prototype.set=function(t,e,r){if(1===arguments.length)return this.options[t];switch(t){case"read":this.options[t]=O(e,r),this._userProvidedOptions[t]=this.options[t];break;case"safe":F(this.options,e),this._userProvidedOptions[t]=this.options[t];break;case"timestamps":this.setupTimestamp(e),this.options[t]=e,this._userProvidedOptions[t]=this.options[t];break;default:this.options[t]=e,this._userProvidedOptions[t]=this.options[t]}return this};
/*!
 * ignore
 */
var F=E.deprecate(function(t,e){t.safe=!1===e?{w:0}:e},"Mongoose: The `safe` option for schemas is deprecated. Use the `writeConcern` option instead: http://bit.ly/mongoose-write-concern");k.prototype.get=function(t){return this.options[t]};var I="2d 2dsphere hashed text".split(" ");
/*!
 * ignore
 */
function L(t,e){var r=e.split("."),n=r.pop(),i=t.tree,o=!0,s=!1,a=void 0;try{for(var u,c=r[Symbol.iterator]();!(o=(u=c.next()).done);o=!0){i=i[u.value]}}catch(t){s=!0,a=t}finally{try{!o&&c.return&&c.return()}finally{if(s)throw a}}delete i[n]}
/*!
 * ignore
 */
function U(t){return t.startsWith("$[")&&t.endsWith("]")}
/*!
 * Module exports.
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/*!
 * ignore
 */
k.prototype._getSchema=function(t){var e=this.path(t),r=[];if(e)return e.$fullPath=t,e;for(var n=t.split("."),i=0;i<n.length;++i)("$"===n[i]||U(n[i]))&&(n[i]="0");return function t(e,n){for(var i=e.length+1,o=void 0,s=void 0;i--;)if(s=e.slice(0,i).join("."),o=n.path(s)){if(r.push(s),o.caster){if(o.caster instanceof $.Mixed)return o.caster.$fullPath=r.join("."),o.caster;if(i!==e.length&&o.schema){var a=void 0;return"$"===e[i]||U(e[i])?i+1===e.length?o:((a=t(e.slice(i+1),o.schema))&&(a.$isUnderneathDocArray=a.$isUnderneathDocArray||!o.schema.$isSingleNested),a):((a=t(e.slice(i),o.schema))&&(a.$isUnderneathDocArray=a.$isUnderneathDocArray||!o.schema.$isSingleNested),a)}}return o.$fullPath=r.join("."),o}}(n,this)},
/*!
 * ignore
 */
k.prototype._getPathType=function(t){if(this.path(t))return"real";return function t(e,r){for(var n=e.length+1,i=void 0,o=void 0;n--;){if(o=e.slice(0,n).join("."),i=r.path(o))return i.caster?i.caster instanceof $.Mixed?{schema:i,pathType:"mixed"}:n!==e.length&&i.schema?"$"===e[n]||U(e[n])?n===e.length-1?{schema:i,pathType:"nested"}:t(e.slice(n+1),i.schema):t(e.slice(n),i.schema):{schema:i,pathType:i.$isSingleNested?"nested":"array"}:{schema:i,pathType:"real"};if(n===e.length&&r.nested[o])return{schema:r,pathType:"nested"}}return{schema:i||r,pathType:"undefined"}}(t.split("."),this)},t.exports=e=k,k.Types=$=r(54),
/*!
 * ignore
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e.ObjectId=$.ObjectId}).call(this,r(1).Buffer)},function(t,e,r){"use strict";function n(t,e){this.path=e,this.getters=[],this.setters=[],this.options=Object.assign({},t)}n.prototype._applyDefaultGetters=function(){if(!(this.getters.length>0||this.setters.length>0)){var t="$"+this.path;this.getters.push(function(){return this[t]}),this.setters.push(function(e){this[t]=e})}},
/*!
 * ignore
 */
n.prototype.clone=function(){var t=new n(this.options,this.path);return t.getters=[].concat(this.getters),t.setters=[].concat(this.setters),t},n.prototype.get=function(t){return this.getters.push(t),this},n.prototype.set=function(t){return this.setters.push(t),this},n.prototype.applyGetters=function(t,e){for(var r=t,n=this.getters.length-1;n>=0;n--)r=this.getters[n].call(e,r,this,e);return r},n.prototype.applySetters=function(t,e){for(var r=t,n=this.setters.length-1;n>=0;n--)r=this.setters[n].call(e,r,this,e);return r},
/*!
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 */
t.exports=n},function(t,e,r){"use strict";
/*!
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/*!
 * Module dependencies.
 */var n=r(48),i=r(71),o=r(16),s=r(150),a=r(7),u=a.CastError,c=r(31),l=r(151),f=r(152),h=r(5),p=r(79),y=r(4),d=r(2),v=r(32).castToNumber,_=r(80),m=r(56),g=void 0,b=void 0,w=Symbol("mongoose#isNestedArray");function O(t,e,n,i){b||(b=r(57).Embedded);var o="type";if(i&&i.typeKey&&(o=i.typeKey),this.schemaOptions=i,e){var s={};d.isPOJO(e)&&(e[o]?(delete(s=d.clone(e))[o],e=e[o]):e=c),e===Object&&(e=c);var u="string"==typeof e?e:d.getFunctionName(e),l=r(54),f=l.hasOwnProperty(u)?l[u]:e;this.casterConstructor=f,this.casterConstructor instanceof O&&(this.casterConstructor[w]=!0),"function"!=typeof f||f.$isArraySubdocument||f.$isSchemaMap?this.caster=f:this.caster=new f(null,s),this.$embeddedSchemaType=this.caster,this.caster instanceof b||(this.caster.path=t)}this.$isMongooseArray=!0,a.call(this,t,n,"Array");var h=void 0,p=void 0;if(null!=this.defaultValue&&(h=this.defaultValue,p="function"==typeof h),!("defaultValue"in this)||void 0!==this.defaultValue){var y=function(){var t=[];return p?t=h.call(this):null!=h&&(t=t.concat(h)),t};y.$runBeforeSetters=!0,this.default(y)}}O.schemaName="Array",O.options={castNonArrays:!0},O.defaultOptions={},O.set=a.set,
/*!
 * Inherits from SchemaType.
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O.prototype=Object.create(a.prototype),O.prototype.constructor=O,O.prototype.OptionsConstructor=s,
/*!
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Long=__webpack_require__(23).Long,Double=__webpack_require__(34).Double,Timestamp=__webpack_require__(35).Timestamp,ObjectID=__webpack_require__(36).ObjectID,_Symbol=__webpack_require__(38).Symbol,Code=__webpack_require__(39).Code,MinKey=__webpack_require__(41).MinKey,MaxKey=__webpack_require__(42).MaxKey,Decimal128=__webpack_require__(40),Int32=__webpack_require__(60),DBRef=__webpack_require__(43).DBRef,BSONRegExp=__webpack_require__(37).BSONRegExp,Binary=__webpack_require__(26).Binary,utils=__webpack_require__(15),deserialize=function(t,e,r){var n=(e=null==e?{}:e)&&e.index?e.index:0,i=t[n]|t[n+1]<<8|t[n+2]<<16|t[n+3]<<24;if(i<5||t.length<i||i+n>t.length)throw new Error("corrupt bson message");if(0!==t[n+i-1])throw new Error("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");return deserializeObject(t,n,e,r)},deserializeObject=function t(e,r,n,i){var o=null!=n.evalFunctions&&n.evalFunctions,s=null!=n.cacheFunctions&&n.cacheFunctions,a=null!=n.cacheFunctionsCrc32&&n.cacheFunctionsCrc32;if(!a)var u=null;var c=null==n.fieldsAsRaw?null:n.fieldsAsRaw,l=null!=n.raw&&n.raw,f="boolean"==typeof n.bsonRegExp&&n.bsonRegExp,h=null!=n.promoteBuffers&&n.promoteBuffers,p=null==n.promoteLongs||n.promoteLongs,y=null==n.promoteValues||n.promoteValues,d=r;if(e.length<5)throw new Error("corrupt bson message < 5 bytes long");var v=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;if(v<5||v>e.length)throw new Error("corrupt bson message");for(var _=i?[]:{},m=0;;){var g=e[r++];if(0===g)break;for(var b=r;0!==e[b]&&b<e.length;)b++;if(b>=e.length)throw new Error("Bad BSON Document: illegal CString");var w=i?m++:e.toString("utf8",r,b);if(r=b+1,g===BSON.BSON_DATA_STRING){var O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;if(O<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");_[w]=e.toString("utf8",r,r+O-1),r+=O}else if(g===BSON.BSON_DATA_OID){var S=utils.allocBuffer(12);e.copy(S,0,r,r+12),_[w]=new ObjectID(S),r+=12}else if(g===BSON.BSON_DATA_INT&&!1===y)_[w]=new Int32(e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24);else if(g===BSON.BSON_DATA_INT)_[w]=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;else if(g===BSON.BSON_DATA_NUMBER&&!1===y)_[w]=new Double(e.readDoubleLE(r)),r+=8;else if(g===BSON.BSON_DATA_NUMBER)_[w]=e.readDoubleLE(r),r+=8;else if(g===BSON.BSON_DATA_DATE){var E=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24,A=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;_[w]=new Date(new Long(E,A).toNumber())}else if(g===BSON.BSON_DATA_BOOLEAN){if(0!==e[r]&&1!==e[r])throw new Error("illegal boolean type value");_[w]=1===e[r++]}else if(g===BSON.BSON_DATA_OBJECT){var j=r,$=e[r]|e[r+1]<<8|e[r+2]<<16|e[r+3]<<24;if($<=0||$>e.length-r)throw new Error("bad embedded document length in bson");_[w]=l?e.slice(r,r+$):t(e,j,n,!1),r+=$}else if(g===BSON.BSON_DATA_ARRAY){j=r;var x=n,P=r+($=e[r]|e[r+1]<<8|e[r+2]<<16|e[r+3]<<24);if(c&&c[w]){for(var N in x={},n)x[N]=n[N];x.raw=!0}if(_[w]=t(e,j,x,!0),0!==e[(r+=$)-1])throw new Error("invalid array terminator byte");if(r!==P)throw new Error("corrupted array bson")}else if(g===BSON.BSON_DATA_UNDEFINED)_[w]=void 0;else if(g===BSON.BSON_DATA_NULL)_[w]=null;else if(g===BSON.BSON_DATA_LONG){E=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24,A=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;var T=new Long(E,A);_[w]=p&&!0===y&&T.lessThanOrEqual(JS_INT_MAX_LONG)&&T.greaterThanOrEqual(JS_INT_MIN_LONG)?T.toNumber():T}else if(g===BSON.BSON_DATA_DECIMAL128){var k=utils.allocBuffer(16);e.copy(k,0,r,r+16),r+=16;var B=new Decimal128(k);_[w]=B.toObject?B.toObject():B}else if(g===BSON.BSON_DATA_BINARY){var C=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24,D=C,M=e[r++];if(C<0)throw new Error("Negative binary type element size found");if(C>e.length)throw new Error("Binary type size larger than document size");if(null!=e.slice){if(M===Binary.SUBTYPE_BYTE_ARRAY){if((C=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<0)throw new Error("Negative binary type element size found for subtype 0x02");if(C>D-4)throw new Error("Binary type with subtype 0x02 contains to long binary size");if(C<D-4)throw new Error("Binary type with subtype 0x02 contains to short binary size")}_[w]=h&&y?e.slice(r,r+C):new Binary(e.slice(r,r+C),M)}else{var R="undefined"!=typeof Uint8Array?new Uint8Array(new ArrayBuffer(C)):new Array(C);if(M===Binary.SUBTYPE_BYTE_ARRAY){if((C=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<0)throw new Error("Negative binary type element size found for subtype 0x02");if(C>D-4)throw new Error("Binary type with subtype 0x02 contains to long binary size");if(C<D-4)throw new Error("Binary type with subtype 0x02 contains to short binary size")}for(b=0;b<C;b++)R[b]=e[r+b];_[w]=h&&y?R:new Binary(R,M)}r+=C}else if(g===BSON.BSON_DATA_REGEXP&&!1===f){for(b=r;0!==e[b]&&b<e.length;)b++;if(b>=e.length)throw new Error("Bad BSON Document: illegal CString");var F=e.toString("utf8",r,b);for(b=r=b+1;0!==e[b]&&b<e.length;)b++;if(b>=e.length)throw new Error("Bad BSON Document: illegal CString");var I=e.toString("utf8",r,b);r=b+1;var L=new Array(I.length);for(b=0;b<I.length;b++)switch(I[b]){case"m":L[b]="m";break;case"s":L[b]="g";break;case"i":L[b]="i"}_[w]=new RegExp(F,L.join(""))}else if(g===BSON.BSON_DATA_REGEXP&&!0===f){for(b=r;0!==e[b]&&b<e.length;)b++;if(b>=e.length)throw new Error("Bad BSON Document: illegal CString");for(F=e.toString("utf8",r,b),b=r=b+1;0!==e[b]&&b<e.length;)b++;if(b>=e.length)throw new Error("Bad BSON Document: illegal CString");I=e.toString("utf8",r,b),r=b+1,_[w]=new BSONRegExp(F,I)}else if(g===BSON.BSON_DATA_SYMBOL){if((O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");_[w]=new _Symbol(e.toString("utf8",r,r+O-1)),r+=O}else if(g===BSON.BSON_DATA_TIMESTAMP)E=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24,A=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24,_[w]=new Timestamp(E,A);else if(g===BSON.BSON_DATA_MIN_KEY)_[w]=new MinKey;else if(g===BSON.BSON_DATA_MAX_KEY)_[w]=new MaxKey;else if(g===BSON.BSON_DATA_CODE){if((O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");var U=e.toString("utf8",r,r+O-1);if(o)if(s){var V=a?u(U):U;_[w]=isolateEvalWithHash(functionCache,V,U,_)}else _[w]=isolateEval(U);else _[w]=new Code(U);r+=O}else if(g===BSON.BSON_DATA_CODE_W_SCOPE){var q=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;if(q<13)throw new Error("code_w_scope total size shorter minimum expected length");if((O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");U=e.toString("utf8",r,r+O-1),j=r+=O,$=e[r]|e[r+1]<<8|e[r+2]<<16|e[r+3]<<24;var W=t(e,j,n,!1);if(r+=$,q<8+$+O)throw new Error("code_w_scope total size is to short, truncating scope");if(q>8+$+O)throw new Error("code_w_scope total size is to long, clips outer document");o?(s?(V=a?u(U):U,_[w]=isolateEvalWithHash(functionCache,V,U,_)):_[w]=isolateEval(U),_[w].scope=W):_[w]=new Code(U,W)}else{if(g!==BSON.BSON_DATA_DBPOINTER)throw new Error("Detected unknown BSON type "+g.toString(16)+' for fieldname "'+w+'", are you using the latest BSON parser');if((O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");var H=e.toString("utf8",r,r+O-1);r+=O;var Y=utils.allocBuffer(12);e.copy(Y,0,r,r+12),S=new ObjectID(Y),r+=12;var z=H.split("."),K=z.shift(),Q=z.join(".");_[w]=new DBRef(Q,S,K)}}if(v!==r-d){if(i)throw new Error("corrupt array bson");throw new Error("corrupt object bson")}return null!=_.$id&&(_=new DBRef(_.$ref,_.$id,_.$db)),_},isolateEvalWithHash=function isolateEvalWithHash(functionCache,hash,functionString,object){var value=null;return null==functionCache[hash]&&(eval("value = "+functionString),functionCache[hash]=value),functionCache[hash].bind(object)},isolateEval=function isolateEval(functionString){var value=null;return eval("value = 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JS_INT_MAX_LONG=Long.fromNumber(9007199254740992),JS_INT_MIN_LONG=Long.fromNumber(-9007199254740992);module.exports=deserialize},function(t,e,r){"use strict";(function(e){var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},i=r(104).writeIEEE754,o=r(23).Long,s=r(59),a=r(26).Binary,u=r(15).normalizedFunctionString,c=/\x00/,l=["$db","$ref","$id","$clusterTime"],f=function(t){return"object"===(void 0===t?"undefined":n(t))&&"[object Date]"===Object.prototype.toString.call(t)},h=function(t){return"[object RegExp]"===Object.prototype.toString.call(t)},p=function(t,e,r,n,i){t[n++]=C.BSON_DATA_STRING,t[(n=n+(i?t.write(e,n,"ascii"):t.write(e,n,"utf8"))+1)-1]=0;var o=t.write(r,n+4,"utf8");return 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t[n++]=C.BSON_DATA_NUMBER,n+=o?t.write(e,n,"ascii"):t.write(e,n,"utf8"),t[n++]=0,i(t,r,n,"little",52,8),n+=8},x=function(t,e,r,n,i,o,s){t[n++]=C.BSON_DATA_CODE,n+=s?t.write(e,n,"ascii"):t.write(e,n,"utf8"),t[n++]=0;var a=u(r),c=t.write(a,n+4,"utf8")+1;return t[n]=255&c,t[n+1]=c>>8&255,t[n+2]=c>>16&255,t[n+3]=c>>24&255,n=n+4+c-1,t[n++]=0,n},P=function(t,e,r,i,o,s,a,u,c){if(r.scope&&"object"===n(r.scope)){t[i++]=C.BSON_DATA_CODE_W_SCOPE;var l=c?t.write(e,i,"ascii"):t.write(e,i,"utf8");i+=l,t[i++]=0;var f=i,h="string"==typeof r.code?r.code:r.code.toString();i+=4;var p=t.write(h,i+4,"utf8")+1;t[i]=255&p,t[i+1]=p>>8&255,t[i+2]=p>>16&255,t[i+3]=p>>24&255,t[i+4+p-1]=0,i=i+p+4;var y=B(t,r.scope,o,i,s+1,a,u);i=y-1;var d=y-f;t[f++]=255&d,t[f++]=d>>8&255,t[f++]=d>>16&255,t[f++]=d>>24&255,t[i++]=0}else{t[i++]=C.BSON_DATA_CODE,i+=l=c?t.write(e,i,"ascii"):t.write(e,i,"utf8"),t[i++]=0,h=r.code.toString();var v=t.write(h,i+4,"utf8")+1;t[i]=255&v,t[i+1]=v>>8&255,t[i+2]=v>>16&255,t[i+3]=v>>24&255,i=i+4+v-1,t[i++]=0}return i},N=function(t,e,r,n,i){t[n++]=C.BSON_DATA_BINARY,n+=i?t.write(e,n,"ascii"):t.write(e,n,"utf8"),t[n++]=0;var o=r.value(!0),s=r.position;return r.sub_type===a.SUBTYPE_BYTE_ARRAY&&(s+=4),t[n++]=255&s,t[n++]=s>>8&255,t[n++]=s>>16&255,t[n++]=s>>24&255,t[n++]=r.sub_type,r.sub_type===a.SUBTYPE_BYTE_ARRAY&&(s-=4,t[n++]=255&s,t[n++]=s>>8&255,t[n++]=s>>16&255,t[n++]=s>>24&255),o.copy(t,n,0,r.position),n+=r.position},T=function(t,e,r,n,i){t[n++]=C.BSON_DATA_SYMBOL,n+=i?t.write(e,n,"ascii"):t.write(e,n,"utf8"),t[n++]=0;var o=t.write(r.value,n+4,"utf8")+1;return t[n]=255&o,t[n+1]=o>>8&255,t[n+2]=o>>16&255,t[n+3]=o>>24&255,n=n+4+o-1,t[n++]=0,n},k=function(t,e,r,n,i,o,s){t[n++]=C.BSON_DATA_OBJECT,n+=s?t.write(e,n,"ascii"):t.write(e,n,"utf8"),t[n++]=0;var a,u=n,c=(a=null!=r.db?B(t,{$ref:r.namespace,$id:r.oid,$db:r.db},!1,n,i+1,o):B(t,{$ref:r.namespace,$id:r.oid},!1,n,i+1,o))-u;return t[u++]=255&c,t[u++]=c>>8&255,t[u++]=c>>16&255,t[u++]=c>>24&255,a},B=function(t,r,i,o,a,u,B,C){o=o||0,(C=C||[]).push(r);var D=o+4;if(Array.isArray(r))for(var M=0;M<r.length;M++){var R=""+M,F=r[M];if(F&&F.toBSON){if("function"!=typeof F.toBSON)throw new Error("toBSON is not a function");F=F.toBSON()}var I=void 0===F?"undefined":n(F);if("string"===I)D=p(t,R,F,D,!0);else if("number"===I)D=y(t,R,F,D,!0);else if("boolean"===I)D=v(t,R,F,D,!0);else if(F instanceof Date||f(F))D=_(t,R,F,D,!0);else if(void 0===F)D=d(t,R,0,D,!0);else if(null===F)D=d(t,R,0,D,!0);else if("ObjectID"===F._bsontype||"ObjectId"===F._bsontype)D=w(t,R,F,D,!0);else if(e.isBuffer(F))D=O(t,R,F,D,!0);else if(F instanceof RegExp||h(F))D=m(t,R,F,D,!0);else if("object"===I&&null==F._bsontype)D=S(t,R,F,D,i,a,u,B,!0,C);else if("object"===I&&"Decimal128"===F._bsontype)D=E(t,R,F,D,!0);else if("Long"===F._bsontype||"Timestamp"===F._bsontype)D=A(t,R,F,D,!0);else if("Double"===F._bsontype)D=$(t,R,F,D,!0);else if("function"==typeof 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RegExp||h(F))D=m(t,R,F,D);else if("object"===I&&null==F._bsontype)D=S(t,R,F,D,i,a,u,B,!1,C);else if("object"===I&&"Decimal128"===F._bsontype)D=E(t,R,F,D);else if("Long"===F._bsontype||"Timestamp"===F._bsontype)D=A(t,R,F,D);else if("Double"===F._bsontype)D=$(t,R,F,D);else if("Code"===F._bsontype)D=P(t,R,F,D,i,a,u,B);else if("function"==typeof F&&u)D=x(t,R,F,D,0,0,u);else if("Binary"===F._bsontype)D=N(t,R,F,D);else if("Symbol"===F._bsontype)D=T(t,R,F,D);else if("DBRef"===F._bsontype)D=k(t,R,F,D,a,u);else if("BSONRegExp"===F._bsontype)D=g(t,R,F,D);else if("Int32"===F._bsontype)D=j(t,R,F,D);else if("MinKey"===F._bsontype||"MaxKey"===F._bsontype)D=b(t,R,F,D);else if(void 0!==F._bsontype)throw new TypeError("Unrecognized or invalid _bsontype: "+F._bsontype)}}C.pop(),t[D++]=0;var q=D-o;return 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/*!
 * ignore
 */t.exports=r(33).Decimal128},function(t,e,r){"use strict";
/*!
 * [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) ObjectId
 * @constructor NodeMongoDbObjectId
 * @see ObjectId
 */var n=r(33).ObjectID;
/*!
 * Getter for convenience with populate, see gh-6115
 */Object.defineProperty(n.prototype,"_id",{enumerable:!1,configurable:!0,get:function(){return this}}),
/*!
 * ignore
 */
t.exports=n},function(t,e,r){"use strict";
/*!
 * ignore
 */t.exports=function(){}},function(t,e,r){"use strict";
/*!
 * Dependencies
 */var n=r(110).ctor("require","modify","init","default","ignore");t.exports=function(){this.strictMode=void 0,this.selected=void 0,this.shardval=void 0,this.saveError=void 0,this.validationError=void 0,this.adhocPaths=void 0,this.removing=void 0,this.inserting=void 0,this.saving=void 0,this.version=void 0,this.getters={},this._id=void 0,this.populate=void 0,this.populated=void 0,this.wasPopulated=!1,this.scope=void 0,this.activePaths=new n,this.pathsToScopes={},this.cachedRequired={},this.session=null,this.$setCalled=new Set,this.ownerDocument=void 0,this.fullPath=void 0}},function(t,e,r){"use strict";
/*!
 * Module dependencies.
 */var n=r(2),i=t.exports=function(){};
/*!
 * StateMachine represents a minimal `interface` for the
 * constructors it builds via StateMachine.ctor(...).
 *
 * @api private
 */
/*!
 * StateMachine.ctor('state1', 'state2', ...)
 * A factory method for subclassing StateMachine.
 * The arguments are a list of states. For each state,
 * the constructor's prototype gets state transition
 * methods named after each state. These transition methods
 * place their path argument into the given state.
 *
 * @param {String} state
 * @param {String} [state]
 * @return {Function} subclass constructor
 * @private
 */
i.ctor=function(){var t=n.args(arguments),e=function(){i.apply(this,arguments),this.paths={},this.states={},this.stateNames=t;for(var e=t.length,r=void 0;e--;)r=t[e],this.states[r]={}};return e.prototype=new i,t.forEach(function(t){e.prototype[t]=function(e){this._changeState(e,t)}}),e},
/*!
 * This function is wrapped by the state change functions:
 *
 * - `require(path)`
 * - `modify(path)`
 * - `init(path)`
 *
 * @api private
 */
i.prototype._changeState=function(t,e){var r=this.states[this.paths[t]];r&&delete r[t],this.paths[t]=e,this.states[e][t]=!0},
/*!
 * ignore
 */
i.prototype.clear=function(t){for(var e=Object.keys(this.states[t]),r=e.length,n=void 0;r--;)n=e[r],delete this.states[t][n],delete this.paths[n]},
/*!
 * Checks to see if at least one path is in the states passed in via `arguments`
 * e.g., this.some('required', 'inited')
 *
 * @param {String} state that we want to check for.
 * @private
 */
i.prototype.some=function(){var t=this,e=arguments.length?arguments:this.stateNames;return Array.prototype.some.call(e,function(e){return Object.keys(t.states[e]).length})},
/*!
 * This function builds the functions that get assigned to `forEach` and `map`,
 * since both of those methods share a lot of the same logic.
 *
 * @param {String} iterMethod is either 'forEach' or 'map'
 * @return {Function}
 * @api private
 */
i.prototype._iter=function(t){return function(){var e=arguments.length,r=n.args(arguments,0,e-1),i=arguments[e-1];r.length||(r=this.stateNames);var o=this;return r.reduce(function(t,e){return t.concat(Object.keys(o.states[e]))},[])[t](function(t,e,r){return i(t,e,r)})}},
/*!
 * Iterates over the paths that belong to one of the parameter states.
 *
 * The function profile can look like:
 * this.forEach(state1, fn);         // iterates over all paths in state1
 * this.forEach(state1, state2, fn); // iterates over all paths in state1 or state2
 * this.forEach(fn);                 // iterates over all paths in all states
 *
 * @param {String} [state]
 * @param {String} [state]
 * @param {Function} callback
 * @private
 */
i.prototype.forEach=function(){return this.forEach=this._iter("forEach"),this.forEach.apply(this,arguments)},
/*!
 * Maps over the paths that belong to one of the parameter states.
 *
 * The function profile can look like:
 * this.forEach(state1, fn);         // iterates over all paths in state1
 * this.forEach(state1, state2, fn); // iterates over all paths in state1 or state2
 * this.forEach(fn);                 // iterates over all paths in all states
 *
 * @param {String} [state]
 * @param {String} [state]
 * @param {Function} callback
 * @return {Array}
 * @private
 */
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/*!
 * Returns the value passed to it.
 */
function o(t){return t}e.get=function(t,r,n,i){var s;"function"==typeof n&&(n.length<2?(i=n,n=void 0):(s=n,n=void 0)),i||(i=o);var a="string"==typeof t?t.split("."):t;if(!Array.isArray(a))throw new TypeError("Invalid `path`. Must be either string or array");for(var u,c=r,l=0;l<a.length;++l){if(u=a[l],Array.isArray(c)&&!/^\d+$/.test(u)){var f=a.slice(l);return[].concat(c).map(function(t){return t?e.get(f,t,n||s,i):i(void 0)})}if(s)c=s(c,u);else{var h=n&&c[n]?c[n]:c;c=h instanceof Map?h.get(u):h[u]}if(!c)return i(c)}return i(c)},e.has=function(t,e){var r="string"==typeof t?t.split("."):t;if(!Array.isArray(r))throw new TypeError("Invalid `path`. Must be either string or array");for(var i=r.length,o=e,s=0;s<i;++s){if(null==o||"object"!==(void 0===o?"undefined":n(o))||!(r[s]in o))return!1;o=o[r[s]]}return!0},e.unset=function(t,e){var r="string"==typeof t?t.split("."):t;if(!Array.isArray(r))throw new TypeError("Invalid `path`. Must be either string or array");for(var o=r.length,s=e,a=0;a<o;++a){if(null==s||"object"!==(void 0===s?"undefined":n(s))||!(r[a]in s))return!1;if(-1!==i.indexOf(r[a]))return!1;if(a===o-1)return delete s[r[a]],!0;s=s instanceof Map?s.get(r[a]):s[r[a]]}return!0},e.set=function(t,r,n,s,a,u){var c;"function"==typeof s&&(s.length<2?(a=s,s=void 0):(c=s,s=void 0)),a||(a=o);var l="string"==typeof t?t.split("."):t;if(!Array.isArray(l))throw new TypeError("Invalid `path`. Must be either string or array");if(null!=n){for(var f=0;f<l.length;++f)if(-1!==i.indexOf(l[f]))return;for(var h,p=u||/\$/.test(t)&&!1!==u,y=n,d=(f=0,l.length-1);f<d;++f)if("$"!=(h=l[f])){if(Array.isArray(y)&&!/^\d+$/.test(h)){var v=l.slice(f);if(!p&&Array.isArray(r))for(var _=0;_<y.length&&_<r.length;++_)e.set(v,r[_],y[_],s||c,a,p);else for(_=0;_<y.length;++_)e.set(v,r,y[_],s||c,a,p);return}if(c)y=c(y,h);else{var m=s&&y[s]?y[s]:y;y=m instanceof Map?m.get(h):m[h]}if(!y)return}else if(f==d-1)break;if(h=l[d],s&&y[s]&&(y=y[s]),Array.isArray(y)&&!/^\d+$/.test(h))if(!p&&Array.isArray(r))!
/*!
 * Recursively set nested arrays
 */
function t(e,r,n,i,o,s){for(var a,u=0;u<e.length&&u<r.length;++u)a=e[u],Array.isArray(a)&&Array.isArray(r[u])?t(a,r[u],n,i,o,s):a&&(i?i(a,n,s(r[u])):(a[o]&&(a=a[o]),a[n]=s(r[u])))}(y,r,h,c,s,a);else for(_=0;_<y.length;++_)item=y[_],item&&(c?c(item,h,a(r)):(item[s]&&(item=item[s]),item[h]=a(r)));else c?c(y,h,a(r)):y instanceof Map?y.set(h,a(r)):y[h]=a(r)}}},function(t,e,r){"use strict";var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t};var i=r(46);t.exports=function t(e){if(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this._docs={},null!=e&&(e=i(e),Object.assign(this,e),"object"===n(e.subPopulate)&&(this.populate=e.subPopulate),null!=e.perDocumentLimit&&null!=e.limit))throw new Error("Can not use `limit` and `perDocumentLimit` at the same time. Path: `"+e.path+"`.")}},function(t,e,r){"use strict";
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/var n=Object.getOwnPropertySymbols,i=Object.prototype.hasOwnProperty,o=Object.prototype.propertyIsEnumerable;t.exports=function(){try{if(!Object.assign)return!1;var t=new String("abc");if(t[5]="de","5"===Object.getOwnPropertyNames(t)[0])return!1;for(var e={},r=0;r<10;r++)e["_"+String.fromCharCode(r)]=r;if("0123456789"!==Object.getOwnPropertyNames(e).map(function(t){return e[t]}).join(""))return!1;var n={};return"abcdefghijklmnopqrst".split("").forEach(function(t){n[t]=t}),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},n)).join("")}catch(t){return!1}}()?Object.assign:function(t,e){for(var r,s,a=function(t){if(null===t||void 0===t)throw new TypeError("Object.assign cannot be called with null or undefined");return Object(t)}(t),u=1;u<arguments.length;u++){for(var c in r=Object(arguments[u]))i.call(r,c)&&(a[c]=r[c]);if(n){s=n(r);for(var l=0;l<s.length;l++)o.call(r,s[l])&&(a[s[l]]=r[s[l]])}}return a}},function(t,e,r){"use strict";var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},i=r(62),o=r(21),s=r(4),a=r(67),u=r(117)("mquery");function c(t,e){if(!(this instanceof c))return new c(t,e);var r=this.constructor.prototype;this.op=r.op||void 0,this.options=Object.assign({},r.options),this._conditions=r._conditions?a.clone(r._conditions):{},this._fields=r._fields?a.clone(r._fields):void 0,this._update=r._update?a.clone(r._update):void 0,this._path=r._path||void 0,this._distinct=r._distinct||void 0,this._collection=r._collection||void 0,this._traceFunction=r._traceFunction||void 0,e&&this.setOptions(e),t&&(t.find&&t.remove&&t.update?this.collection(t):this.find(t))}var l="$geoWithin";Object.defineProperty(c,"use$geoWithin",{get:function(){return"$geoWithin"==l},set:function(t){l=!0===t?"$geoWithin":"$within"}}),c.prototype.toConstructor=function(){function t(e,r){if(!(this instanceof t))return new t(e,r);c.call(this,e,r)}a.inherits(t,c);var e=t.prototype;return e.options={},e.setOptions(this.options),e.op=this.op,e._conditions=a.clone(this._conditions),e._fields=a.clone(this._fields),e._update=a.clone(this._update),e._path=this._path,e._distinct=this._distinct,e._collection=this._collection,e._traceFunction=this._traceFunction,t},c.prototype.setOptions=function(t){if(!t||!a.isObject(t))return this;for(var e,r=a.keys(t),n=0;n<r.length;++n)if("function"==typeof this[e=r[n]]){var i=a.isArray(t[e])?t[e]:[t[e]];this[e].apply(this,i)}else this.options[e]=t[e];return this},c.prototype.collection=function(t){return this._collection=new c.Collection(t),this},c.prototype.collation=function(t){return this.options.collation=t,this},c.prototype.$where=function(t){return this._conditions.$where=t,this},c.prototype.where=function(){if(!arguments.length)return this;this.op||(this.op="find");var t=n(arguments[0]);if("string"==t)return this._path=arguments[0],2===arguments.length&&(this._conditions[this._path]=arguments[1]),this;if("object"==t&&!Array.isArray(arguments[0]))return this.merge(arguments[0]);throw new TypeError("path must be a string or object")},c.prototype.equals=function(t){this._ensurePath("equals");var e=this._path;return this._conditions[e]=t,this},c.prototype.eq=function(t){this._ensurePath("eq");var e=this._path;return this._conditions[e]=t,this},c.prototype.or=function(t){var e=this._conditions.$or||(this._conditions.$or=[]);return a.isArray(t)||(t=[t]),e.push.apply(e,t),this},c.prototype.nor=function(t){var e=this._conditions.$nor||(this._conditions.$nor=[]);return a.isArray(t)||(t=[t]),e.push.apply(e,t),this},c.prototype.and=function(t){var e=this._conditions.$and||(this._conditions.$and=[]);return Array.isArray(t)||(t=[t]),e.push.apply(e,t),this},
/*!
 * gt, gte, lt, lte, ne, in, nin, all, regex, size, maxDistance
 *
 *     Thing.where('type').nin(array)
 */
"gt gte lt lte ne in nin all regex size maxDistance minDistance".split(" ").forEach(function(t){c.prototype[t]=function(){var e,r;return 1===arguments.length?(this._ensurePath(t),r=arguments[0],e=this._path):(r=arguments[1],e=arguments[0]),(null===this._conditions[e]||"object"===n(this._conditions[e])?this._conditions[e]:this._conditions[e]={})["$"+t]=r,this}}),c.prototype.mod=function(){var t,e;return 1===arguments.length?(this._ensurePath("mod"),t=arguments[0],e=this._path):2!==arguments.length||a.isArray(arguments[1])?3===arguments.length?(t=i(arguments,1),e=arguments[0]):(t=arguments[1],e=arguments[0]):(this._ensurePath("mod"),t=i(arguments),e=this._path),(this._conditions[e]||(this._conditions[e]={})).$mod=t,this},c.prototype.exists=function(){var t,e;return 0===arguments.length?(this._ensurePath("exists"),t=this._path,e=!0):1===arguments.length?"boolean"==typeof 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t,e;if(1===arguments.length)this._ensurePath("circle"),t=this._path,e=arguments[0];else{if(2!==arguments.length)throw new TypeError("Invalid argument");t=arguments[0],e=arguments[1]}if(!("radius"in e&&e.center))throw new Error("center and radius are required");var r=this._conditions[t]||(this._conditions[t]={}),n=e.spherical?"$centerSphere":"$center",i=this._geoComparison||l;return r[i]={},r[i][n]=[e.center,e.radius],"unique"in e&&(r[i].$uniqueDocs=!!e.unique),this},c.prototype.near=function(){var t,e;if(this._geoComparison="$near",0===arguments.length)return this;if(1===arguments.length)this._ensurePath("near"),t=this._path,e=arguments[0];else{if(2!==arguments.length)throw new TypeError("Invalid argument");t=arguments[0],e=arguments[1]}if(!e.center)throw new Error("center is required");var r=this._conditions[t]||(this._conditions[t]={}),n=e.spherical?"$nearSphere":"$near";if(Array.isArray(e.center)){r[n]=e.center;var i="maxDistance"in e?e.maxDistance:null;null!=i&&(r.$maxDistance=i),null!=e.minDistance&&(r.$minDistance=e.minDistance)}else{if("Point"!=e.center.type||!Array.isArray(e.center.coordinates))throw new Error(s.format("Invalid GeoJSON specified for %s",n));r[n]={$geometry:e.center},"maxDistance"in e&&(r[n].$maxDistance=e.maxDistance),"minDistance"in e&&(r[n].$minDistance=e.minDistance)}return this},c.prototype.intersects=function(){if(this._ensurePath("intersects"),this._geoComparison="$geoIntersects",0===arguments.length)return this;var t=arguments[0];if(null!=t&&t.type&&t.coordinates)return this.geometry(t);throw new TypeError("Invalid argument")},c.prototype.geometry=function(){if("$within"!=this._geoComparison&&"$geoWithin"!=this._geoComparison&&"$near"!=this._geoComparison&&"$geoIntersects"!=this._geoComparison)throw new Error("geometry() must come after `within()`, `intersects()`, or `near()");var t,e;if(1!==arguments.length)throw new TypeError("Invalid 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/*!
 * limit, skip, maxScan, batchSize, comment
 *
 * Sets these associated options.
 *
 *     query.comment('feed query');
 */(this.options,t),this;throw new TypeError("Invalid sort() argument. Must be a string, object, or array.")};
/*!
 * @ignore
 */
var f={1:1,"-1":-1,asc:1,ascending:1,desc:-1,descending:-1};function h(t,e,r){if(Array.isArray(t.sort))throw new TypeError("Can't mix sort syntaxes. Use either array or object:\n- `.sort([['field', 1], ['test', -1]])`\n- `.sort({ field: 1, test: -1 })`");var n;if(r&&r.$meta)(n=t.sort||(t.sort={}))[e]={$meta:r.$meta};else{n=t.sort||(t.sort={});var i=String(r||1).toLowerCase();if(!(i=f[i]))throw new TypeError("Invalid sort value: { "+e+": "+r+" }");n[e]=i}}function p(t,e,r){if(t.sort=t.sort||[],!Array.isArray(t.sort))throw new TypeError("Can't mix sort syntaxes. Use either array or object:\n- `.sort([['field', 1], ['test', -1]])`\n- `.sort({ field: 1, test: -1 })`");var n=String(r||1).toLowerCase();if(!(n=f[n]))throw new TypeError("Invalid sort value: [ "+e+", "+r+" ]");t.sort.push([e,n])}
/*!
 * Internal helper for update, updateMany, updateOne
 */
function y(t,e,r,n,i,o,s){return t.op=e,c.canMerge(r)&&t.merge(r),n&&t._mergeUpdate(n),a.isObject(i)&&t.setOptions(i),o||s?!t._update||!t.options.overwrite&&0===a.keys(t._update).length?(s&&a.soon(s.bind(null,null,0)),t):(i=t._optionsForExec(),s||(i.safe=!1),r=t._conditions,n=t._updateForExec(),u("update",t._collection.collectionName,r,n,i),s=t._wrapCallback(e,s,{conditions:r,doc:n,options:i}),t._collection[e](r,n,i,a.tick(s)),t):t}["limit","skip","maxScan","batchSize","comment"].forEach(function(t){c.prototype[t]=function(e){return this._validate(t),this.options[t]=e,this}}),c.prototype.maxTime=c.prototype.maxTimeMS=function(t){return this._validate("maxTime"),this.options.maxTimeMS=t,this},c.prototype.snapshot=function(){return this._validate("snapshot"),this.options.snapshot=!arguments.length||!!arguments[0],this},c.prototype.hint=function(){if(0===arguments.length)return this;this._validate("hint");var t=arguments[0];if(a.isObject(t)){var e=this.options.hint||(this.options.hint={});for(var r in t)e[r]=t[r];return this}if("string"==typeof t)return this.options.hint=t,this;throw new TypeError("Invalid hint. 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/*!
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/*!
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/*!
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/*!
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var n=r(163),i=r(7),o=r(85),s=r(13),a=r(2),u=r(0).populateModelSymbol,c=i.CastError,l=void 0;function f(t,e){var r="string"==typeof t&&24===t.length&&/^[a-f0-9]+$/i.test(t),n=e&&e.suppressWarning;!r&&void 0!==t||n||(console.warn("mongoose: To create a new ObjectId please try `Mongoose.Types.ObjectId` instead of using `Mongoose.Schema.ObjectId`. Set the `suppressWarning` option if you're trying to create a hex char path in your schema."),console.trace()),i.call(this,t,e,"ObjectID")}
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/*!
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/*!
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/*!
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/*!
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