import type { SharedRunRequest } from "./protocol.js";
import type { InteractiveProcessResult } from "../runtime/interactive-process.js";
import type { PiIntegrationTestOptions } from "../scenario/types.js";
/**
 * Stable identity of one shared Pi process configuration.
 * Two requests with equal keys reuse the same pooled Pi process.
 */
export declare function sharedRunnerConfigKey(options: PiIntegrationTestOptions): string;
export declare class SharedPiProcess {
    private liveTuiOutput;
    private pi;
    private piExit;
    private piExitSubscription;
    private processGeneration;
    private piExited;
    private renderer;
    private sharedRoot;
    private terminalOutput;
    private frameExtractor;
    private frameTimestamps;
    private workspaceRoot;
    private closePromise;
    cancelLiveOutput(): void;
    run(request: SharedRunRequest): Promise<InteractiveProcessResult>;
    close(): Promise<void>;
    private closeProcess;
    private ensureProcess;
}