type TransportAdmissionResult<TResult> = {
    status: "superseded";
} | {
    status: "settled";
    result: TResult;
};
type TransportHandoff<TResult> = {
    settlement: Promise<TResult>;
};
type TransportOperationScope = {
    attemptHandoff<TResult>(options: {
        prepare: () => void | Promise<void>;
        handOff: () => TransportHandoff<TResult>;
    }): Promise<TResult>;
};
/**
 * Owns caller-generation admission before the SDK hands a command to its host.
 * Handle FIFO, stale classification, and settlement publication remain with the
 * Flow command controller.
 *
 * @see docs/specs/2026-08-02-flow-interaction-model.md
 */
declare const createClientTransportAdmission: () => {
    runOperation: <TResult>(execute: (scope: TransportOperationScope) => Promise<TResult>) => Promise<TransportAdmissionResult<TResult>>;
    runBarrier: <TResult>({ onGenerationAdvanced, prepare, handOff, }: {
        onGenerationAdvanced: () => void;
        prepare: () => void | Promise<void>;
        handOff: () => TransportHandoff<TResult>;
    }) => Promise<TResult>;
};

export { createClientTransportAdmission };