import type { ContentModelDocument, FormatContentModelOptions, IEditor } from 'roosterjs-content-model-types';
import type { PickerDirection, PickerHandler } from './PickerHandler';
import type { PickerHelper } from './PickerHelper';
/**
 * @internal
 */
export declare class PickerHelperImpl implements PickerHelper {
    readonly editor: IEditor;
    readonly handler: PickerHandler;
    private triggerCharacter;
    direction: PickerDirection | null;
    constructor(editor: IEditor, handler: PickerHandler, triggerCharacter: string);
    /**
     * Replace the query string with a given Content Model.
     * This is used for commit a change from picker and insert the committed content into editor.
     * @param model The Content Model to insert
     * @param options Options for formatting content model
     * @param canUndoByBackspace Whether this change can be undone using Backspace key
     */
    replaceQueryString(model: ContentModelDocument, options?: FormatContentModelOptions, canUndoByBackspace?: boolean): void;
    /**
     * Notify Picker Plugin that picker is closed from the handler code, so picker plugin can quit the suggesting state
     */
    closePicker(): void;
}