import type { ChildProcessWithoutNullStreams } from 'node:child_process';
export declare class JsonChildClient {
    readonly child: ChildProcessWithoutNullStreams;
    private readonly label;
    private readonly onEvent?;
    private readonly onPendingChange?;
    private buffered;
    private nextRequestId;
    private pending;
    private initialResponse;
    private terminalError;
    private closePromise;
    private exited;
    private exitDescription;
    private resolveExit;
    private readonly exitPromise;
    constructor(child: ChildProcessWithoutNullStreams, label: string, onEvent?: ((event: Record<string, unknown>) => void) | undefined, onPendingChange?: ((count: number) => void) | undefined);
    private consume;
    private reportPending;
    private finish;
    private waitForResponse;
    initialize(options?: {
        timeoutMs?: number;
    }): Promise<Record<string, unknown>>;
    request(value: Record<string, unknown>, options?: {
        timeoutMs?: number;
    }): Promise<Record<string, unknown>>;
    isTerminal(): boolean;
    close(): Promise<void>;
    private closeChild;
}
/** Backward-compatible name for the Darwin pinned-file protocol. */
export { JsonChildClient as DarwinJsonChildClient };
//# sourceMappingURL=pinned-atomic-file-darwin-client.d.ts.map