12345678910111213141516171819202122232425262728293031323334
declare module 'mongoose' {
  type SchemaValidator<T> = RegExp | [RegExp, string] | Function | [Function, string] | ValidateOpts<T> | ValidateOpts<T>[];
  interface ValidatorProps {    path: string;    value: any;  }
  interface ValidatorMessageFn {    (props: ValidatorProps): string;  }
  interface ValidateFn<T> {    (value: T, props?: ValidatorProps & Record<string, any>): boolean;  }
  interface LegacyAsyncValidateFn<T> {    (value: T, done: (result: boolean) => void): void;  }
  interface AsyncValidateFn<T> {    (value: T, props?: ValidatorProps & Record<string, any>): Promise<boolean>;  }
  interface ValidateOpts<T> {    msg?: string;    message?: string | ValidatorMessageFn;    type?: string;    validator: ValidateFn<T> | LegacyAsyncValidateFn<T> | AsyncValidateFn<T>;    propsParameter?: boolean;  }}