import { WorkingDirectoryFileChange } from '../model/status';
import { ITextDiff } from '../model/diff';
/**
 * Creates a GNU unified diff based on the original diff and a number
 * of selected or unselected lines (from file.selection). The patch is
 * formatted with the intention of being used for applying against an index
 * with git apply.
 *
 * Note that the file must have at least one selected addition or deletion,
 * ie it's not supported to use this method as a general purpose diff
 * formatter.
 *
 * @param file  The file that the resulting patch will be applied to.
 *              This is used to determine the from and to paths for the
 *              patch header as well as retrieving the line selection state
 *
 * @param diff  The source diff
 */
export declare function formatPatch(file: WorkingDirectoryFileChange, diff: ITextDiff): string;