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import {  AnyArray,  Schema,  SchemaDefinition,  SchemaType,  SchemaTypeOptions,  Types,  ObjectId,  Unpacked,
  BooleanSchemaDefinition,  DateSchemaDefinition,  NumberSchemaDefinition,  ObjectIdSchemaDefinition,  StringSchemaDefinition} from 'mongoose';import { expectError, expectType } from 'tsd';
(new SchemaTypeOptions<boolean>()) instanceof SchemaTypeOptions;
expectType<BooleanSchemaDefinition | undefined>(new SchemaTypeOptions<boolean>().type);expectType<NumberSchemaDefinition | undefined>(new SchemaTypeOptions<number>().type);expectType<DateSchemaDefinition | undefined>(new SchemaTypeOptions<Date>().type);expectType<StringSchemaDefinition | undefined>(new SchemaTypeOptions<string>().type);expectType<SchemaDefinition<typeof Map> | undefined>(new SchemaTypeOptions<Map<any, any>>().type);expectType<SchemaDefinition<typeof Buffer> | undefined>(new SchemaTypeOptions<Buffer>().type);expectType<ObjectIdSchemaDefinition | undefined>(new SchemaTypeOptions<Types.ObjectId>().type);expectType<AnyArray<ObjectIdSchemaDefinition> | AnyArray<SchemaTypeOptions<ObjectId>> | undefined>(new SchemaTypeOptions<Types.ObjectId[]>().type);expectType<(AnyArray<Schema<any, any, any>> | AnyArray<SchemaDefinition<Unpacked<object[]>>> | AnyArray<SchemaTypeOptions<Unpacked<object[]>>>) | undefined>(new SchemaTypeOptions<object[]>().type);expectType<AnyArray<StringSchemaDefinition> | AnyArray<SchemaTypeOptions<string>> | undefined>(new SchemaTypeOptions<string[]>().type);expectType<AnyArray<NumberSchemaDefinition> | AnyArray<SchemaTypeOptions<number>> | undefined>(new SchemaTypeOptions<number[]>().type);expectType<AnyArray<BooleanSchemaDefinition> | AnyArray<SchemaTypeOptions<boolean>> | undefined>(new SchemaTypeOptions<boolean[]>().type);expectType<(Function | typeof SchemaType | Schema<any, any, any> | SchemaDefinition<Function> | Function | AnyArray<Function>) | undefined>(new SchemaTypeOptions<Function>().type);
function index() {  new SchemaTypeOptions<string>().index = true;  new SchemaTypeOptions<string>().index = false;  new SchemaTypeOptions<string>().index = 1;  new SchemaTypeOptions<string>().index = -1;  new SchemaTypeOptions<string>().index = 'text';  new SchemaTypeOptions<string>().index = '2d';  new SchemaTypeOptions<string>().index = 'geoHaystack';  new SchemaTypeOptions<string>().index = 'hashed';  new SchemaTypeOptions<string>().index = 'ascending';  new SchemaTypeOptions<string>().index = 'asc';  new SchemaTypeOptions<string>().index = 'descending';  new SchemaTypeOptions<string>().index = 'desc';
  expectError<SchemaTypeOptions<string>['index']>(''); // test empty string value  expectError<SchemaTypeOptions<string>['index']>('invalid'); // test invalid string value  expectError<SchemaTypeOptions<string>['index']>(0); // test invalid number  expectError<SchemaTypeOptions<string>['index']>(2); // test invalid number  expectError<SchemaTypeOptions<string>['index']>(-2); // test invalid number  expectError<SchemaTypeOptions<string>['index']>(new Date()); // test invalid type}