import type * as mongoose from 'mongoose';
import type { Severity, PropType } from './internal/constants';
/**
 * Get the Type of an instance of a Document with Class properties
 * @example
 * ```ts
 * class ClassName {}
 * const NameModel = getModelForClass(ClassName);
 *
 * const doc: DocumentType<ClassName> = await NameModel.create({});
 * ```
 */
export declare type DocumentType<T, QueryHelpers = BeAnObject> = (T extends {
    _id: unknown;
} ? mongoose.Document<T['_id'], QueryHelpers, T> : mongoose.Document<any, QueryHelpers, T>) & T & IObjectWithTypegooseFunction;
/**
 * Get the Type of an instance of a SubDocument with Class properties
 */
export declare type SubDocumentType<T, QueryHelpers = BeAnObject> = DocumentType<T, QueryHelpers> & mongoose.Types.Subdocument;
/**
 * Get the Type of an instance of a SubDocument that exists within an array, with Class properties
 */
export declare type ArraySubDocumentType<T, QueryHelpers = BeAnObject> = DocumentType<T, QueryHelpers> & mongoose.Types.ArraySubdocument;
/**
 * Used Internally for ModelTypes
 */
export declare type ModelType<T, QueryHelpers = BeAnObject> = mongoose.Model<DocumentType<T, QueryHelpers>, QueryHelpers>;
/**
 * Any-param Constructor
 */
export declare type AnyParamConstructor<T> = new (...args: any) => T;
/**
 * The Type for Models used in typegoose, mostly returned by "getModelForClass" and "addModelToTypegoose"
 * @example
 * const Model: ReturnModelType<typeof YourClass, YourClassQueryHelper> = mongoose.model("YourClass", YourClassSchema);
 */
export declare type ReturnModelType<U extends AnyParamConstructor<any>, QueryHelpers = BeAnObject> = ModelType<InstanceType<U>, QueryHelpers> & U;
/** Generic "Function" type, because typescript does not like using "Function" directly in strict mode */
export declare type Func = (...args: any[]) => any;
/**
 * The Type of a function to generate a custom model name.
 */
export declare type CustomNameFunction = (options: IModelOptions) => string;
/**
 * Defer an reference with an function (or as other projects call it "Forward declaration")
 * @param type This is just to comply with the common pattern of `type => ActualType`
 */
export declare type DeferredFunc<T = any> = (...args: unknown[]) => T;
/**
 * Dynamic Functions, since mongoose 4.13
 * @param doc The Document current document
 */
export declare type DynamicStringFunc<T extends AnyParamConstructor<any>> = (doc: DocumentType<T>) => string;
/**
 * This Interface for most properties uses "mongoose.SchemaTypeOptions<any>['']", but for some special (or typegoose custom) options, it is not used
 *
 * Example: `index` is directly from mongoose, where as `type` is from typegoose
 */
export interface BasePropOptions {
    /**
     * include this value?
     * @default true (Implicitly)
     */
    select?: mongoose.SchemaTypeOptions<any>['select'];
    /**
     * is this value required?
     * @default false (Implicitly)
     */
    required?: mongoose.SchemaTypeOptions<any>['required'];
    /** Only accept Values from the Enum(|Array) */
    enum?: mongoose.SchemaTypeOptions<any>['enum'];
    /**
     * Add "null" to the enum array
     * Note: Custom Typegoose Option
     */
    addNullToEnum?: boolean;
    /**
     * Set Custom "warnMixed" Severity for a specific property
     * Overwrites Severity set in "modelOptions" for a specific property
     * Note: Custom Typegoose Option
     */
    allowMixed?: Severity;
    /** Give the Property a default Value */
    default?: mongoose.SchemaTypeOptions<any>['default'];
    /** Give an Validator RegExp or Function */
    validate?: mongoose.SchemaTypeOptions<any>['validate'];
    /**
     * Should this property have an "unique" index?
     * @link https://docs.mongodb.com/manual/indexes/#unique-indexes
     */
    unique?: mongoose.SchemaTypeOptions<any>['unique'];
    /**
     * Should this property have an index?
     * Note: don't use this if you want to do an compound index
     * @link https://docs.mongodb.com/manual/indexes
     */
    index?: mongoose.SchemaTypeOptions<any>['index'];
    /**
     * Should this property have an "sparse" index?
     * @link https://docs.mongodb.com/manual/indexes/#sparse-indexes
     */
    sparse?: mongoose.SchemaTypeOptions<any>['sparse'];
    /**
     * Should this property have an "expires" index?
     * @link https://docs.mongodb.com/manual/tutorial/expire-data
     */
    expires?: mongoose.SchemaTypeOptions<any>['expires'];
    /**
     * Should this property have an "text" index?
     * @link https://mongoosejs.com/docs/api.html#schematype_SchemaType-text
     */
    text?: mongoose.SchemaTypeOptions<any>['text'];
    /** Should subdocuments get their own id?
     * @default true (Implicitly)
     */
    _id?: mongoose.SchemaTypeOptions<any>['_id'];
    /**
     * Set a Setter (Non-Virtual) to pre-process your value
     * (when using get/set both are required)
     * Please note that the option `type` is required, if get/set saves a different value than what is defined
     * @param value The Value that needs to get modified
     * @returns The Value, but modified OR anything
     * @example
     * ```ts
     * function setHello(val: string): string {
     *   return val.toLowerCase()
     * }
     * function getHello(val: string): string {
     *   return val.toUpperCase();
     * }
     * class Dummy {
     *   @prop({ set: setHello, get: getHello }) // many options can be used, like required
     *   public hello: string;
     * }
     * ```
     */
    set?: mongoose.SchemaTypeOptions<any>['set'];
    /**
     * Set a Getter (Non-Virtual) to Post-process your value
     * (when using get/set both are required)
     * Please note that the option `type` is required, if get/set saves a different value than what is defined
     * @param value The Value that needs to get modified
     * @returns The Value, but modified OR anything
     * @example
     * ```ts
     * function setHello(val: string): string {
     *   return val.toLowerCase()
     * }
     * function getHello(val: string): string {
     *   return val.toUpperCase();
     * }
     * class Dummy {
     *   @prop({ set: setHello, get: getHello }) // many options can be used, like required
     *   public hello: string;
     * }
     * ```
     */
    get?: mongoose.SchemaTypeOptions<any>['get'];
    /**
     * This may be needed if get/set is used
     * (this sets the type how it is saved to the DB)
     */
    type?: DeferredFunc<AnyParamConstructor<any>> | DeferredFunc<unknown> | unknown;
    /**
     * Make a property read-only
     * @example
     * ```ts
     * class SomeClass {
     *  @prop({ immutable: true })
     *  public someprop: Readonly<string>;
     * }
     * ```
     */
    immutable?: mongoose.SchemaTypeOptions<any>['immutable'];
    /**
     * Give the Property an alias in the output
     *
     * Note: you should include the alias as a variable in the class, but not with a prop decorator
     * @example
     * ```ts
     * class Dummy {
     *   @prop({ alias: "helloWorld" })
     *   public hello: string; // normal, with @prop
     *   public helloWorld: string; // is just for type Completion, will not be included in the DB
     * }
     * ```
     */
    alias?: mongoose.SchemaTypeOptions<any>['alias'];
    /**
     * This option as only an effect when the plugin `mongoose-autopopulate` is used
     */
    autopopulate?: boolean | Function | KeyStringAny;
    /** Reference an other Document (you should use Ref<T> as Prop type) */
    ref?: DeferredFunc<string | AnyParamConstructor<any> | DynamicStringFunc<any>> | string | AnyParamConstructor<any>;
    /** Take the Path and try to resolve it to a Model */
    refPath?: string;
    /**
     * Set the Nested Discriminators
     *
     * Note: "_id: false" as an prop option doesn't work here
     *
     * Note: Custom Typegoose Option
     */
    discriminators?: DeferredFunc<(AnyParamConstructor<any> | DiscriminatorObject)[]>;
    /**
     * Use option {@link BasePropOptions.type}
     * @see https://typegoose.github.io/typegoose/docs/api/decorators/prop#map-options
     * @see https://typegoose.github.io/typegoose/docs/api/decorators/prop#proptype
     */
    of?: never;
    /**
     * If true, uses Mongoose's default `_id` settings. Only allowed for ObjectIds
     *
     * Note: Copied from mongoose's "index.d.ts"#SchemaTypeOptions
     */
    auto?: mongoose.SchemaTypeOptions<any>['auto'];
    /**
     * The default [subtype](http://bsonspec.org/spec.html) associated with this buffer when it is stored in MongoDB. Only allowed for buffer paths
     *
     * Note: Copied from mongoose's "index.d.ts"#SchemaTypeOptions
     */
    subtype?: mongoose.SchemaTypeOptions<any>['subtype'];
    /**
     * If `true`, Mongoose will skip gathering indexes on subpaths. Only allowed for subdocuments and subdocument arrays.
     *
     * Note: Copied from mongoose's "index.d.ts"#SchemaTypeOptions
     */
    excludeIndexes?: mongoose.SchemaTypeOptions<any>['excludeIndexes'];
    /**
     * Define a transform function for this individual schema type.
     * Only called when calling `toJSON()` or `toObject()`.
     *
     * Note: Copied from mongoose's "index.d.ts"#SchemaTypeOptions
     */
    transform?: mongoose.SchemaTypeOptions<any>['transform'];
    [extra: string]: any;
}
export interface InnerOuterOptions {
    /**
     * Use this to define inner-options
     * Use this if the auto-mapping is not correct or for plugin options
     *
     * Please open a new issue if some option is mismatched or not existing / mapped
     */
    innerOptions?: KeyStringAny;
    /**
     * Use this to define outer-options
     * Use this if the auto-mapping is not correct or for plugin options
     *
     * Please open a new issue if some option is mismatched or not existing / mapped
     */
    outerOptions?: KeyStringAny;
}
/**
 * Internal type for `utils.mapOptions`
 * @internal
 */
export interface MappedInnerOuterOptions {
    /**
     * Mapped options for the inner of the Type
     */
    inner: NonNullable<KeyStringAny>;
    /**
     * Mapped options for the outer of the type
     */
    outer: NonNullable<KeyStringAny>;
}
/** Options for Array's */
export interface ArrayPropOptions extends BasePropOptions, InnerOuterOptions {
    /**
     * How many dimensions this Array should have
     * (needs to be higher than 0)
     *
     * Note: Custom Typegoose Option
     * @default 1
     */
    dim?: number;
    /**
     * Set if Non-Array values will be cast to an array
     *
     * NOTE: This option currently only really affects "DocumentArray" and not normal arrays, https://github.com/Automattic/mongoose/issues/10398
     * @see https://mongoosejs.com/docs/api/schemaarray.html#schemaarray_SchemaArray.options
     * @example
     * ```ts
     * new Model({ array: "string" });
     * // will be cast to equal
     * new Model({ array: ["string"] });
     * ```
     * @default true
     */
    castNonArrays?: boolean;
}
/** Options For Map's */
export interface MapPropOptions extends BasePropOptions, InnerOuterOptions {
}
export interface ValidateNumberOptions {
    /** Only allow numbers that are higher than this */
    min?: mongoose.SchemaTypeOptions<any>['min'];
    /** Only allow numbers lower than this */
    max?: mongoose.SchemaTypeOptions<any>['max'];
    /** Only allow Values from the enum */
    enum?: number[];
}
export interface ValidateStringOptions {
    /** Only allow values that match this RegExp */
    match?: mongoose.SchemaTypeOptions<any>['match'];
    /** Only allow Values from the enum */
    enum?: string[];
    /** Only allow values that have at least this length */
    minlength?: mongoose.SchemaTypeOptions<any>['minlength'];
    /** Only allow values that have at max this length */
    maxlength?: mongoose.SchemaTypeOptions<any>['maxlength'];
}
export interface TransformStringOptions {
    /** Should it be lowercased before save? */
    lowercase?: mongoose.SchemaTypeOptions<any>['lowercase'];
    /** Should it be uppercased before save? */
    uppercase?: mongoose.SchemaTypeOptions<any>['uppercase'];
    /** Should it be trimmed before save? */
    trim?: mongoose.SchemaTypeOptions<any>['trim'];
}
export interface VirtualOptions {
    /** Reference another Document (Ref<T> should be used as property type) */
    ref: NonNullable<BasePropOptions['ref']>;
    /** Which property(on the current-Class) to match `foreignField` against */
    localField: mongoose.VirtualTypeOptions['localField'];
    /** Which property(on the ref-Class) to match `localField` against */
    foreignField: mongoose.VirtualTypeOptions['foreignField'];
    /** Return as One Document(true) or as Array(false) */
    justOne?: mongoose.VirtualTypeOptions['justOne'];
    /** Return the number of Documents found instead of the actual Documents */
    count?: mongoose.VirtualTypeOptions['count'];
    /** Extra Query Options */
    options?: mongoose.VirtualTypeOptions['options'];
    /** Match Options */
    match?: mongoose.VirtualTypeOptions['match'];
    /**
     * If you set this to `true`, Mongoose will call any custom getters you defined on this virtual.
     *
     * Note: Copied from mongoose's "index.d.ts"#VirtualTypeOptions
     */
    getters?: mongoose.VirtualTypeOptions['getters'];
    /**
     * Add a default `limit` to the `populate()` query.
     *
     * Note: Copied from mongoose's "index.d.ts"#VirtualTypeOptions
     */
    limit?: mongoose.VirtualTypeOptions['limit'];
    /**
     * Add a default `skip` to the `populate()` query.
     *
     * Note: Copied from mongoose's "index.d.ts"#VirtualTypeOptions
     */
    skip?: mongoose.VirtualTypeOptions['skip'];
    /**
     * For legacy reasons, `limit` with `populate()` may give incorrect results because it only
     * executes a single query for every document being populated. If you set `perDocumentLimit`,
     * Mongoose will ensure correct `limit` per document by executing a separate query for each
     * document to `populate()`. For example, `.find().populate({ path: 'test', perDocumentLimit: 2 })`
     * will execute 2 additional queries if `.find()` returns 2 documents.
     *
     * Note: Copied from mongoose's "index.d.ts"#VirtualTypeOptions
     */
    perDocumentLimit?: mongoose.VirtualTypeOptions['perDocumentLimit'];
    [extra: string]: any;
}
export declare type PropOptionsForNumber = BasePropOptions & ValidateNumberOptions;
export declare type PropOptionsForString = BasePropOptions & TransformStringOptions & ValidateStringOptions;
export declare type RefType = mongoose.RefType;
/**
 * Reference another Model
 */
export declare type Ref<PopulatedType, RawId extends mongoose.RefType = (PopulatedType extends {
    _id?: mongoose.RefType;
} ? NonNullable<PopulatedType['_id']> : mongoose.Types.ObjectId) | undefined> = mongoose.PopulatedDoc<PopulatedType, RawId>;
/**
 * A Function type for a function that doesn't have any arguments and doesn't return anything
 */
export declare type EmptyVoidFn = () => void;
export interface DiscriminatorObject {
    /** The Class to use */
    type: AnyParamConstructor<any>;
    /**
     * The Name to differentiate between other classes
     * Mongoose JSDOC: [value] the string stored in the `discriminatorKey` property. If not specified, Mongoose uses the `name` parameter.
     * @default {string} The output of "getName"
     */
    value?: string;
}
export interface IModelOptions {
    /** An Existing Mongoose Connection */
    existingMongoose?: mongoose.Mongoose;
    /** Supports all Mongoose's Schema Options */
    schemaOptions?: mongoose.SchemaOptions;
    /** An Existing Connection */
    existingConnection?: mongoose.Connection;
    /** Typegoose Custom Options */
    options?: ICustomOptions;
}
/** Typegoose options, mostly for "modelOptions({ options: ICustomOptions })" */
export interface ICustomOptions {
    /**
     * Set the modelName of the class.
     * If it is a function, the function will be executed. The function will override
     * "automaticName". If "automaticName" is true and "customName" is a string, it
     * sets a *suffix* instead of the whole name.
     * @default schemaOptions.collection
     */
    customName?: string | CustomNameFunction;
    /**
     * Enable Automatic Name generation of a model
     * Example:
     * class with name of "SomeClass"
     * and option "collection" of "SC"
     *
     * will generate the name of "SomeClass_SC"
     * @default false
     */
    automaticName?: boolean;
    /** Allow "mongoose.Schema.Types.Mixed"? */
    allowMixed?: Severity;
    /**
     * Run "model.syncIndexes" when model is finished compiling?
     * @deprecated Use "model.syncIndexes()" manually
     * */
    runSyncIndexes?: boolean;
    /**
     * Disable applying plugins when the class is a discriminator.
     * This can be set to "true" when encountering that plugins or plugin-hooks are duplicated in a discriminator
     * This is necessary because currently mongoose merges the base schema for a discriminator into the discriminator schema
     * which will result in the plugins being overwritten and hooks may be duplicated.
     * Only applies to discriminator schemas, not the base for the discriminators themself
     * @see {@link https://github.com/Automattic/mongoose/issues/12472}
     * @deprecated Not used anymore since version 9.13.0
     * @default false
     */
    disablePluginsOnDiscriminator?: never;
    /**
     * Option if the current class is meant to be a discriminator
     * @deprecated Not used anymore since version 9.13.0
     * @internal
     */
    $isDiscriminator?: never;
    /**
     * Enable Overwriting of the plugins on the "to-be" discriminator schema with the base schema's
     * Note: this does not actually "merge plugins", it will overwrite the "to-be" discriminator's plugins with the base schema's
     * If {@link ICustomOptions.enableMergePlugins} and {@link ICustomOptions.enableMergeHooks} are both "false", then the global plugins will be automatically applied by typegoose, see https://github.com/Automattic/mongoose/issues/12696
     * @default false
     */
    enableMergePlugins?: boolean;
    /**
     * Enable Merging of Hooks
     * Note: only hooks that can be matched against each-other can be de-duplicated
     * If {@link ICustomOptions.enableMergePlugins} and {@link ICustomOptions.enableMergeHooks} are both "false", then the global plugins will be automatically applied by typegoose, see https://github.com/Automattic/mongoose/issues/12696
     * @default false
     */
    enableMergeHooks?: boolean;
}
/** Type for the Values stored in the Reflection for Properties */
export interface DecoratedPropertyMetadata {
    /** Prop Options */
    options: any;
    /** Target Class */
    target: AnyParamConstructor<any>;
    /** Property name */
    key: string | symbol;
    /** What is it for a prop type? */
    whatis?: PropType;
}
export declare type DecoratedPropertyMetadataMap = Map<string | symbol, DecoratedPropertyMetadata>;
/**
 * copy-paste from mongodb package (should be same as IndexOptions from 'mongodb')
 */
export declare type IndexOptions<_T> = mongoose.IndexOptions;
/**
 * Type for the Values stored in the Reflection for Indexes
 * @example
 * ```ts
 * const indices: IIndexArray[] = Reflect.getMetadata(DecoratorKeys.Index, target) || []);
 * ```
 */
export interface IIndexArray {
    fields: KeyStringAny;
    options?: IndexOptions<unknown>;
}
/**
 * Type for the Values stored in the Reflection for Plugins
 * @example
 * ```ts
 * const plugins: IPluginsArray[] = Array.from(Reflect.getMetadata(DecoratorKeys.Plugins, target) ?? []);
 * ```
 */
export interface IPluginsArray {
    /** The Plugin Function to add */
    mongoosePlugin: Func;
    /** The Plugin's options, which could be anything because mongoose does not enforce it to be a object */
    options: any | undefined;
}
/**
 * Type for the Values stored in the Reflection for Virtual Populates
 * @example
 * ```ts
 * const virtuals: VirtualPopulateMap = new Map(Reflect.getMetadata(DecoratorKeys.VirtualPopulate, target.constructor) ?? []);
 * ```
 */
export declare type VirtualPopulateMap = Map<string, VirtualOptions & Record<string, unknown>>;
/**
 * Gets the signature (parameters with their types, and the return type) of a function type.
 *
 * @description Should be used when defining an interface for a class that uses query methods.
 *
 * @example
 * ```ts
 * function sendMessage(recipient: string, sender: string, priority: number, retryIfFails: boolean) {
 *  // some logic...
 *  return true;
 * }
 *
 * // Both of the following types will be identical.
 * type SendMessageType = AsQueryMethod<typeof sendMessage>;
 * type SendMessageManualType = (recipient: string, sender: string, priority: number, retryIfFails: boolean) => boolean;
 * ```
 */
export declare type AsQueryMethod<T extends (...args: any) => any> = (...args: Parameters<T>) => ReturnType<T>;
/**
 * Helper type to easily set the `this` type in a QueryHelper function
 *
 * @example
 * function findById(this: QueryHelperThis<YourClass, YourClassQueryHelpers>, id: string) {
 *   return this.findOne({ _id: id });
 * }
 */
export declare type QueryHelperThis<T extends AnyParamConstructor<any>, QueryHelpers, S = DocumentType<T, QueryHelpers>> = mongoose.QueryWithHelpers<S | null, S, QueryHelpers>;
/**
 * Type for the Values stored in the Reflection for Query Methods
 * @example
 * ```ts
 * const queryMethods: QueryMethodMap = new Map(Reflect.getMetadata(DecoratorKeys.QueryMethod, target) ?? []);
 * ```
 */
export declare type QueryMethodMap = Map<string, Func>;
/**
 * Type for the Values stored in the Reflection for Nested Discriminators
 * @example
 * ```ts
 * const disMap: NestedDiscriminatorsMap = new Map(Reflect.getMetadata(DecoratorKeys.NestedDiscriminators, target) ?? []);
 * ```
 */
export declare type NestedDiscriminatorsMap = Map<string, DiscriminatorObject[]>;
/** A Helper type to combine both mongoose Hook Option types */
export declare type HookOptionsEither = mongoose.SchemaPreOptions | mongoose.SchemaPostOptions;
/**
 * Type for the Values stored in the Reflection for Hooks
 * @example
 * ```ts
 * const postHooks: IHooksArray[] = Array.from(Reflect.getMetadata(DecoratorKeys.HooksPost, target) ?? []);
 * ```
 */
export interface IHooksArray {
    /** The Function to add as a hooks */
    func: Func;
    /** The Method to where this hook gets triggered */
    method: string | RegExp;
    /**
     * Options for Hooks
     * @see https://mongoosejs.com/docs/middleware.html#naming
     */
    options: HookOptionsEither;
}
export interface IGlobalOptions {
    /** Typegoose Options */
    options?: ICustomOptions;
    /** Schema Options that should get applied to all models */
    schemaOptions?: mongoose.SchemaOptions;
    /**
     * Global Options for general Typegoose
     * (There are currently none)
     */
    globalOptions?: BeAnObject;
}
/** Interface describing a Object that has a "typegooseName" Function */
export interface IObjectWithTypegooseFunction {
    typegooseName(): string;
}
/**
 * Interface describing a Object that has a "typegooseName" Value
 * @deprecated This interface and value will be removed in typegoose 10, use {@link IObjectWithTypegooseFunction} instead
 */
export interface IObjectWithTypegooseName {
    typegooseName: string;
}
/** For the types that error that seemingly don't have a prototype */
export interface IPrototype {
    prototype?: any;
}
/** An Helper Interface for defining a "key" index of "string" and "value" of "any" */
export declare type KeyStringAny = Record<string, any>;
/**
 * The Return Type of "utils.getType"
 */
export interface GetTypeReturn {
    type: unknown;
    dim: number;
}
/**
 * This type is for lint error "ban-types" where "{}" would be used
 * This type is separate from "{@link KeyStringAny}" because it has a different meaning
 */
export declare type BeAnObject = Record<string, any>;