import { type NamedSessionStartupFailure } from './namedSessionStartupChild.js';
export declare function waitForNamedSessionStartup<T>(input: {
    step<R>(operation: () => Promise<R>): Promise<R>;
    assertActive(): Promise<void>;
    observe(): Promise<T>;
    maximumWaitMs?: number;
    now?: () => number;
    sleep?: (milliseconds: number) => Promise<void>;
    readFailure?: () => NamedSessionStartupFailure | undefined;
}): Promise<T>;
//# sourceMappingURL=namedSessionStartup.d.ts.map