/**
 * orchestrator-live-turn.ts, per-call cancellation registry and queued-message
 * editing for the live turn.
 *
 * Two small interaction wins the Orchestrator delegates here:
 * - ToolCallAbortRegistry: one AbortController per in-flight tool call, so ONE
 *   running call can be cancelled (structured "cancelled by user" result, turn
 *   continues) without touching the whole-turn abort or sibling calls. The
 *   registry itself is the `toolCallSignals` seam executeToolCalls consumes.
 * - Queued-message list/edit/delete: the mid-turn message queue was push/shift
 *   only; entries now carry ids and stay editable/deletable until delivered.
 */
/** One pending mid-turn message (the Orchestrator.messageQueue element shape). */
export interface QueuedMessageEntry {
    id: string;
    queuedAt: number;
    text: string;
    content?: unknown;
    options?: unknown;
}
/** Per-tool-call abort controllers for calls currently in flight. */
export declare class ToolCallAbortRegistry {
    private readonly controllers;
    /** Open a per-call signal (registers the call as cancellable). */
    open(callId: string): AbortSignal;
    /** Retire a settled call. */
    close(callId: string): void;
    /** Cancel ONE in-flight call. False when no such call is running. */
    cancel(callId: string): boolean;
    /** The callIds currently in flight. */
    list(): readonly string[];
    /** Abort every in-flight call (the whole-turn abort path) and clear. */
    abortAll(): void;
}
/** The pending queue in delivery order (undelivered messages only). */
export declare function listQueuedMessages(queue: readonly QueuedMessageEntry[]): ReadonlyArray<{
    id: string;
    queuedAt: number;
    text: string;
}>;
/**
 * Replace the text of a still-queued message. False when the id is no longer
 * queued (already delivered, delivered messages are immutable) or the new
 * text is blank. Editing clears multimodal content: the edited plain text is
 * what will be delivered.
 */
export declare function editQueuedMessage(queue: QueuedMessageEntry[], id: string, text: string): boolean;
/** Remove a still-queued message before delivery. False when already delivered. */
export declare function deleteQueuedMessage(queue: QueuedMessageEntry[], id: string): boolean;
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