export type RuntimeOperation = "idle" | "configuration_reload" | "account_configuration" | "account_lifecycle" | "unknown";
export type ActiveRuntimeOperation = Exclude<RuntimeOperation, "idle" | "unknown">;
export interface RuntimeOperationHost {
    isReloading: boolean;
    runtimeOperation?: RuntimeOperation;
    readonly runtimeConfigurationInProgress?: boolean;
}
export interface RuntimeOperationLease {
    readonly operation: ActiveRuntimeOperation;
    release(): void;
}
/**
 * 原子取得会撤销 readiness 的运行态租约。
 *
 * release 幂等，并用私有 token 防止过期释放误清理后续租约。调用方必须在取得租约后
 * 立即进入 try/finally，确保同步前置步骤与异步操作的全部失败路径都能恢复 readiness。
 */
export declare function acquireRuntimeOperation(host: RuntimeOperationHost, operation: ActiveRuntimeOperation, conflictError: (active: RuntimeOperation) => Error): RuntimeOperationLease;