interface FlowTransitionInlineNode {
    id: string;
}
interface FlowTransitionSignal {
    __flow_transition: true;
    targetNode: string;
    data?: Record<string, unknown>;
    message?: string;
    /** Optional inline node definition for dynamic transitions (Pipecat-style). */
    node?: FlowTransitionInlineNode;
}
interface FlowUpdateSignal {
    __flow_update: true;
    data?: Record<string, unknown>;
    message?: string;
    missing?: string[];
}
export declare function createFlowTransition(targetNode: string, data?: Record<string, unknown>, message?: string): FlowTransitionSignal;
export declare function createFlowTransitionWithNode(node: FlowTransitionInlineNode, data?: Record<string, unknown>, message?: string): FlowTransitionSignal;
export declare function createFlowUpdate(data?: Record<string, unknown>, message?: string, missing?: string[]): FlowUpdateSignal;
export declare function isFlowTransition(result: unknown): result is FlowTransitionSignal;
export declare function isFlowUpdate(result: unknown): result is FlowUpdateSignal;
export {};