import type { DiffProvider, DiffLine } from "./index.js";
export interface GitHubDiffProviderOptions {
    repo: string;
    token?: string;
}
export declare class GitHubDiffProvider implements DiffProvider {
    private repo;
    private token?;
    constructor(options: GitHubDiffProviderOptions);
    private get headers();
    diffLines(baseRef: string, headRef: string): Promise<DiffLine[]>;
    gitShow(rev: string, filePath: string): Promise<string>;
}