export declare function modtest(filepath: string, description: string, input: string, output: string, checkIdempotency?: boolean): void;
export declare function constructModifyFunction(visitor: any): (code: string, visitorState: any) => string;
export declare function getUnitModTester(modifyFunction: any): (description: string, input: string, output: string, state?: any, checkIdempotency?: boolean, checkSpaces?: boolean) => void;
/**
 * return a function to be used for unit testing which modifies input file and checks against output file
 * @param modifyFunction
 * @param dirPath absolute path of base directory containing tests
 */
export declare function getUnitModFileTester(modifyFunction: any, dirPath: string): (description: string, inputRelativeFilePath: string, outputRelativeFilePath: string, state?: any, checkIdempotency?: boolean, checkSpaces?: boolean, preHook?: (() => void) | undefined) => void;
export declare function unitModTest(modifyFunction: any, description: string, input: string, output: string, state?: any, checkIdempotency?: boolean, checkSpaces?: boolean, // if set to true will ensure that input and output match spaces as well,
preHook?: () => void): void;