import { EventEmitter } from '@angular/core';
import type { API } from '@editorjs/editorjs';
import * as i0 from "@angular/core";
export declare class EditorToolComponent {
    private readonly window;
    private readonly document;
    api: API;
    preview: string;
    caption: string;
    buttonContent: string;
    readOnly: boolean;
    isLoading: boolean;
    fileSelected: EventEmitter<void>;
    captionChanged: EventEmitter<string>;
    private previousValue;
    protected get isCaptionShown(): boolean;
    protected onSelectFile(): void;
    protected onTitleChange(event: KeyboardEvent): void;
    protected onTitlePaste(event: ClipboardEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<EditorToolComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<EditorToolComponent, "ng-component", never, { "api": { "alias": "api"; "required": true; }; "preview": { "alias": "preview"; "required": true; }; "caption": { "alias": "caption"; "required": true; }; "buttonContent": { "alias": "buttonContent"; "required": true; }; "readOnly": { "alias": "readOnly"; "required": false; }; "isLoading": { "alias": "isLoading"; "required": false; }; }, { "fileSelected": "fileSelected"; "captionChanged": "captionChanged"; }, never, never, false, never>;
}