export interface DelegateGateCliOptions {
    readonly diffPath: string | undefined;
    readonly repoRoot: string | undefined;
    readonly fix: boolean;
}
export interface DelegateGateCliResult {
    readonly exitCode: 0 | 1;
    readonly stdout: string;
    readonly stderr: string;
}
/**
 * `llm-relay delegate-gate <diff-file> --repo <root> [--fix]`
 *
 * Pure over injected IO so the contract tests can drive it without touching the real filesystem.
 * `readFile`/`writeFile` default to Node's `fs`; a caller only overrides them in tests.
 */
export declare function runDelegateGateCli(options: DelegateGateCliOptions, io?: {
    readonly readFile?: (path: string) => string;
    readonly writeFile?: (path: string, content: string) => void;
}): DelegateGateCliResult;