type MessageLike = {
    role?: unknown;
    metadata?: unknown;
};
/** Mark a framework-created user-role continuation for this runtime execution only. */
export declare function markRuntimeGeneratedUserMessage<T extends MessageLike>(message: T): T;
/** Identify a user-role message generated by the runtime for model continuation. */
export declare function isRuntimeGeneratedUserMessage(message: MessageLike): boolean;
/** Identify a genuine human/API user-turn boundary rather than a runtime retry note. */
export declare function isGenuineUserTurnMessage(message: MessageLike): boolean;
export {};
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