import type { PickerHandler } from './PickerHandler';
import type { EditorPlugin, IEditor, PluginEvent } from 'roosterjs-content-model-types';
/**
 * PickerPlugin represents a plugin of editor which can handle picker related behaviors, including
 * - Show picker when special trigger key is pressed
 * - Hide picker
 * - Change selection in picker by Up/Down/Left/Right
 * - Apply selected item in picker
 *
 * PickerPlugin doesn't provide any UI, it just wraps related DOM events and invoke callback functions.
 */
export declare class PickerPlugin implements EditorPlugin {
    private triggerCharacter;
    private readonly handler;
    private isMac;
    private lastQueryString;
    private helper;
    /**
     * Construct a new instance of PickerPlugin class
     * @param triggerCharacter The character to trigger a picker to be shown
     * @param handler Picker handler for receiving picker state change events
     */
    constructor(triggerCharacter: string, handler: PickerHandler);
    /**
     * Get a friendly name
     */
    getName(): string;
    /**
     * Initialize this plugin. This should only be called from Editor
     * @param editor Editor instance
     */
    initialize(editor: IEditor): void;
    /**
     * Dispose this plugin
     */
    dispose(): void;
    /**
     * Check if the plugin should handle the given event exclusively.
     * Handle an event exclusively means other plugin will not receive this event in
     * onPluginEvent method.
     * If two plugins will return true in willHandleEventExclusively() for the same event,
     * the final result depends on the order of the plugins are added into editor
     * @param event The event to check
     */
    willHandleEventExclusively(event: PluginEvent): boolean;
    /**
     * Handle events triggered from editor
     * @param event PluginEvent object
     */
    onPluginEvent(event: PluginEvent): void;
    private onSuggestingKeyDown;
    private onSuggestingInput;
    private onInput;
}