/**
 * Message queueing for the interactive mode.
 *
 * Owns the compaction queue (messages typed while a compaction is running) and
 * the pending-messages display above the editor. The session owns the live
 * steering / follow-up queues; this controller merges them with the compaction
 * queue for display, restores everything back into the editor on demand, and
 * flushes the compaction queue once compaction finishes. Extracted from
 * interactive-mode.ts behind a narrow MessageQueueControllerDeps interface.
 */
import { type Container, type EditorComponent } from "@kolisachint/hoocode-tui";
import type { AgentSession } from "../../core/agent-session.js";
/** The slice of the interactive mode the message queue needs. */
export interface MessageQueueControllerDeps {
    /** The active session (read at call time; the session can be swapped). */
    get session(): AgentSession;
    /** The prompt editor (read at call time; the editor can be swapped). */
    getEditor(): EditorComponent;
    /** Container that renders the queued-message list above the editor. */
    pendingMessagesContainer: Container;
    showStatus(message: string): void;
    showError(errorMessage: string): void;
}
export declare class MessageQueueController {
    private readonly deps;
    private compactionQueuedMessages;
    constructor(deps: MessageQueueControllerDeps);
    private get session();
    private get editor();
    /** Drop the compaction queue without restoring it (session switch/reset). */
    resetCompactionQueue(): void;
    private getAllQueuedMessages;
    /**
     * Clear all queued messages and return their contents.
     * Clears both session queue and compaction queue.
     */
    private clearAllQueues;
    updatePendingMessagesDisplay(): void;
    restoreQueuedMessagesToEditor(options?: {
        abort?: boolean;
        currentText?: string;
    }): number;
    queueCompactionMessage(text: string, mode: "steer" | "followUp"): void;
    isExtensionCommand(text: string): boolean;
    flushCompactionQueue(options?: {
        willRetry?: boolean;
    }): Promise<void>;
}
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