import { ChangeDetectorRef, ComponentRef, ElementRef, Injector, NgZone, Renderer2, ViewContainerRef } from '@angular/core';
import { RichtextWrapper } from './richtext-wrapper';
import { ToolbarItem, ToolboxInput, ToolsState } from '../interfaces/richtext-toolbox.interface';
import { RichtextToolboxComponent } from '../components/richtext-toolbox/richtext-toolbox.component';
export declare abstract class Toolbox {
    readonly richtextWrapper: RichtextWrapper;
    protected hostEl: ElementRef<HTMLElement>;
    protected viewContainerRef: ViewContainerRef;
    protected renderer2: Renderer2;
    protected ngZone: NgZone;
    protected cd: ChangeDetectorRef;
    protected componentRef?: ComponentRef<RichtextToolboxComponent>;
    protected get component(): RichtextToolboxComponent | undefined;
    protected get componentEl(): HTMLElement | undefined;
    private parentEl?;
    private toolboxInput?;
    private _subscription?;
    constructor(injector: Injector);
    destroyAll(): void;
    toggleInputDisplay(display: boolean): void;
    setToolInput(toolInput: ToolboxInput): void;
    private isInputVisible;
    private getDisabledTools;
    private listenRichtextState;
    private getDefaultTools;
    protected onToolsChanged(toolsState: ToolsState): void;
    protected isVisible(): boolean;
    protected destroyComponent(): void;
    protected displayComponent(): void;
    protected prepareUpdatedTools(toolState: ToolsState): ToolbarItem[];
}