import { ArgumentMetadata, PipeTransform } from '../interfaces/features/pipe-transform.interface'; import { ErrorHttpStatusCode } from '../utils/http-error-by-code.util'; /** * @publicApi */ export interface ParseBoolPipeOptions { errorHttpStatusCode?: ErrorHttpStatusCode; exceptionFactory?: (error: string) => any; optional?: boolean; } /** * Defines the built-in ParseBool Pipe * * @see [Built-in Pipes](https://docs.nestjs.com/pipes#built-in-pipes) * * @publicApi */ export declare class ParseBoolPipe implements PipeTransform> { protected readonly options?: ParseBoolPipeOptions; protected exceptionFactory: (error: string) => any; constructor(options?: ParseBoolPipeOptions); /** * Method that accesses and performs optional transformation on argument for * in-flight requests. * * @param value currently processed route argument * @param metadata contains metadata about the currently processed route argument */ transform(value: string | boolean, metadata: ArgumentMetadata): Promise; /** * @param value currently processed route argument * @returns `true` if `value` is said 'true', ie., if it is equal to the boolean * `true` or the string `"true"` */ protected isTrue(value: string | boolean): boolean; /** * @param value currently processed route argument * @returns `true` if `value` is said 'false', ie., if it is equal to the boolean * `false` or the string `"false"` */ protected isFalse(value: string | boolean): boolean; }