import { JupyterFrontEnd } from '@jupyterlab/application';
import { IThemeManager, MainAreaWidget } from '@jupyterlab/apputils';
import { IRenderMimeRegistry } from '@jupyterlab/rendermime';
import { Contents } from '@jupyterlab/services';
import type { TranslationBundle } from '@jupyterlab/translation';
import { ISignal } from '@lumino/signaling';
import type { IAskAgent } from '../askAgent/tokens';
import { XtralabDiffWidget } from './diffWidget';
import { IFileChange } from './tokens';
/**
 * Command IDs exposed by the launcher's git diff path.
 */
export declare namespace CommandIDs {
    const openDiff = "xtralab:git:open-diff";
}
/**
 * Argument shapes used by {@link CommandIDs.openDiff}.
 */
export declare namespace CommandArguments {
    interface IOpenDiff {
        repoPath: string;
        change: IFileChange;
        pin?: boolean;
    }
}
/**
 * Widget id of the single, reused preview diff tab.
 */
export declare const PREVIEW_DIFF_WIDGET_ID = "xtralab:diff:preview";
/**
 * Deterministic widget id for a pinned file/group pair.
 */
export declare function pinnedDiffWidgetId(change: IFileChange): string;
/**
 * Launcher-owned host for a shared diff widget.
 */
export declare class DiffMainAreaWidget extends MainAreaWidget<XtralabDiffWidget> {
    constructor(options: MainAreaWidget.IOptions<XtralabDiffWidget>, change: IFileChange, pinned: boolean, trans: TranslationBundle);
    get change(): IFileChange;
    get pinned(): boolean;
    pin(): void;
    get pinnedChanged(): ISignal<this, boolean>;
    setChange(repoPath: string, change: IFileChange): void;
    private _change;
    private _pinned;
    private _trans;
    private _pinnedChanged;
}
interface IRegisterGitCommandsOptions {
    app: JupyterFrontEnd;
    themeManager: IThemeManager | null;
    /**
     * Contents manager used to write hunk-discard results.
     */
    contentsManager: Contents.IManager;
    /**
     * Rendermime registry used by notebook diffs; may be `null`.
     */
    rendermime: IRenderMimeRegistry | null;
    /**
     * Ask-agent popup for prompting an agent about diff lines; may be `null`.
     */
    askAgent: IAskAgent | null;
    /**
     * Translation bundle for user-facing strings.
     */
    trans: TranslationBundle;
    /**
     * Track newly created diff widgets before they are added to the shell.
     */
    trackDiff(widget: DiffMainAreaWidget): Promise<void>;
    /**
     * Look up an already-open diff widget for a file change.
     */
    findDiff(change: IFileChange, pin?: boolean): DiffMainAreaWidget | undefined;
    onPinned(widget: DiffMainAreaWidget): void;
}
/**
 * Register the launcher's git diff command on the application command
 * registry.
 */
export declare function registerGitCommands(options: IRegisterGitCommandsOptions): void;
export {};