import * as ts from 'typescript';
import { Extra } from '../parser-options';
import { ASTAndProgram } from './shared';
declare function useProvidedPrograms(programInstances: Iterable<ts.Program>, extra: Extra): ASTAndProgram | undefined;
/**
 * Utility offered by parser to help consumers construct their own program instance.
 *
 * @param configFile the path to the tsconfig.json file, relative to `projectDirectory`
 * @param projectDirectory the project directory to use as the CWD, defaults to `process.cwd()`
 */
declare function createProgramFromConfigFile(configFile: string, projectDirectory?: string): ts.Program;
export { useProvidedPrograms, createProgramFromConfigFile };
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