import { CacheKeyOptions, TransformOptions, TransformedSource, Transformer } from '@jest/transform'; import { Config } from '@jest/types'; import { ConfigSet } from './config/config-set'; import { TsJestGlobalOptions } from './types'; export declare class TsJestTransformer implements Transformer { private readonly logger; private readonly id; private readonly options; constructor(baseOptions?: TsJestGlobalOptions); 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; }