import type { CacheKeyOptions, TransformedSource, Transformer, TransformOptions } from '@jest/transform'; import type { Config } from '@jest/types'; import type { Logger } from 'bs-logger'; import { ConfigSet } from './config/config-set'; export declare class TsJestTransformer implements Transformer { protected readonly logger: Logger; protected _transformCfgStr: string; constructor(); configsFor(jestConfig: Config.ProjectConfig): ConfigSet; process(input: string, filePath: Config.Path, jestConfig: Config.ProjectConfig, transformOptions?: TransformOptions): TransformedSource | string; getCacheKey(fileContent: string, filePath: string, _jestConfigStr: string, transformOptions: CacheKeyOptions): string; }