import { CommmonArgs } from './types';
export type DiffArgs = {
    engine?: string;
    config: string;
    source?: string;
    parser?: string;
    json?: boolean;
    silent?: boolean;
    filter: 'major' | 'minor' | 'patch' | 'all';
    previous?: string;
    ref?: string;
} & CommmonArgs;
export declare function readFromGit(sourcePath: string, ref: string | undefined): Promise<string | undefined>;
export declare function diff(args: DiffArgs): Promise<void>;