/**
 * Thread selector component for switching between conversation threads.
 * Uses pi-tui overlay pattern with search and navigation.
 */
import { Box } from '@mariozechner/pi-tui';
import type { Focusable, TUI } from '@mariozechner/pi-tui';
import type { HarnessThread } from '@mastra/core/harness';
export interface ThreadSelectorOptions {
    tui: TUI;
    threads: HarnessThread[];
    currentThreadId: string | null;
    /** Current resource ID — threads from this resource sort to the top */
    currentResourceId?: string;
    /** Current project root path — threads tagged with this directory sort above other same-resource threads */
    currentProjectPath?: string;
    onSelect: (thread: HarnessThread) => void;
    onCancel: () => void;
    /** Called when user presses 'c' to clone the selected thread */
    onClone?: (thread: HarnessThread) => void;
    /** Function to fetch message previews for currently visible threads */
    getMessagePreviews?: (threadIds: string[]) => Promise<Map<string, string>>;
    initialMessagePreviews?: Map<string, string>;
    initialAttemptedPreviewThreadIds?: Set<string>;
    onMessagePreviewsLoaded?: (previews: Map<string, string>, attemptedThreadIds: Set<string>) => void;
}
export declare class ThreadSelectorComponent extends Box implements Focusable {
    private searchInput;
    private listContainer;
    private allThreads;
    private filteredThreads;
    private selectedIndex;
    private currentThreadId;
    private currentResourceId;
    private currentProjectPath;
    private onSelectCallback;
    private onCancelCallback;
    private onCloneCallback;
    private tui;
    private getMessagePreviews;
    private onMessagePreviewsLoaded;
    private messagePreviews;
    private attemptedPreviewThreadIds;
    private loadingPreviewThreadIds;
    private previewLoadVersion;
    private previewLoadTimeout;
    private _focused;
    get focused(): boolean;
    set focused(value: boolean);
    constructor(options: ThreadSelectorOptions);
    private getVisibleRange;
    private getVisibleThreads;
    private getPreviewCandidates;
    private scheduleMessagePreviewLoad;
    private loadMessagePreviews;
    private buildUI;
    private sortThreads;
    private filterThreads;
    private formatTimeAgo;
    private updateList;
    handleInput(keyData: string): void;
}
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