export declare class PiModelControl {
    #private;
    ready: boolean;
    private readonly runId;
    private readonly requested;
    private readonly thinking;
    private readonly io;
    constructor(runId: string, requested: string | undefined, thinking: string | undefined, io: PiModelControl["io"]);
    start(): void;
    fail(reason: string): void;
    observe(event: Record<string, unknown>): boolean;
    observeAssistant(message: Record<string, unknown>): void;
}
//# sourceMappingURL=model-control.d.ts.map