/// <reference types="node" />
import { IGitExecutionOptions } from '../core/git';
/**
 * Retrieve the text (UTF-8) contents of a file from the repository at a given
 * reference, commit, or tree.
 *
 * Returns a promise that will produce a Buffer instance containing
 * the text (UTF-8) contents of the resource or an error if the file doesn't
 * exists in the given revision.
 *
 * @param repositoryPath - The repository from where to read the file. Or the FS path to the repository.
 * @param commitish  - A commit SHA or some other identifier that ultimately dereferences to a commit/tree. `HEAD` is the `HEAD`. If empty string, shows the index state.
 * @param path       - The absolute FS path which is contained in the repository.
 */
export declare function getTextContents(repositoryPath: string, commitish: string, path: string, options?: IGitExecutionOptions): Promise<Buffer>;
/**
 * Retrieve the binary contents of a blob from the repository at a given
 * reference, commit, or tree.
 *
 * Returns a promise that will produce a Buffer instance containing
 * the binary contents of the blob or an error if the file doesn't
 * exists in the given revision.
 *
 * @param repositoryPath - The repository from where to read the blob. Or the FS path to the repository.
 * @param commitish  - A commit SHA or some other identifier that ultimately dereferences to a commit/tree. `HEAD` is the `HEAD`. If empty string, shows the index state.
 * @param path       - The absolute FS path which is contained in the repository.
 */
export declare function getBlobContents(repositoryPath: string, commitish: string, path: string, options?: IGitExecutionOptions): Promise<Buffer>;