/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import * as Blockly from 'blockly/core';
/** Plugin for keyboard navigation. */
export declare class KeyboardNavigation {
    /** The workspace. */
    protected workspace: Blockly.WorkspaceSvg;
    /** Keyboard navigation controller instance for the workspace. */
    private navigationController;
    /** Cursor for the main workspace. */
    private cursor;
    /**
     * Focus ring in the workspace.
     */
    private workspaceFocusRing;
    /**
     * Selection ring inside the workspace.
     */
    private workspaceSelectionRing;
    /**
     * Used to restore monkey patch.
     */
    private oldWorkspaceResize;
    /**
     * Constructs the keyboard navigation.
     *
     * @param workspace The workspace that the plugin will be added to.
     * @param options Options for plugin
     * @param options.allowCrossWorkspacePaste If true, will allow paste
     * option to appear enabled when pasting in a different workspace
     * than was copied from. Defaults to false. Set to true if using
     * cross-tab-copy-paste plugin or similar.
     */
    constructor(workspace: Blockly.WorkspaceSvg, options?: {
        allowCrossWorkspacePaste: boolean;
    });
    private resizeWorkspaceRings;
    private resizeFocusRingInternal;
    /**
     * Disables keyboard navigation for this navigator's workspace.
     */
    dispose(): void;
    /**
     * Toggle visibility of a help dialog for the keyboard shortcuts.
     */
    toggleShortcutDialog(): void;
    /**
     * Registers a specific flyout cursor that allows navigation to
     * flyout labels and buttons.
     */
    static registerFlyoutCursor(): void;
    /**
     * Registers a default toolbox implementation that doesn't handle
     * keydown events, since we now handle them in this plugin. If you
     * use the default toolbox, call this function before calling
     * `Blockly.inject`. If you use a custom toolbox, override the
     * `onKeyDown_` method in your toolbox implementation to make it a no-op.
     */
    static registerNavigationDeferringToolbox(): void;
    /**
     * Register CSS used by the plugin.
     * This is broken up into sections by purpose, with some notes about
     * where it should eventually live.
     * Must be called before `Blockly.inject`.
     */
    static registerKeyboardNavigationStyles(): void;
}
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