import { EventEmitter, OnChanges } from '@angular/core';
import { EditorTelemetryService } from '../../services/telemetry/telemetry.service';
import { EditorService } from '../../services/editor/editor.service';
import { ConfigService } from '../../services/config/config.service';
import { TreeService } from '../../services/tree/tree.service';
export declare class QumlplayerPageComponent implements OnChanges {
    telemetryService: EditorTelemetryService;
    configService: ConfigService;
    editorService: EditorService;
    private treeService;
    qumlPlayerConfig: any;
    questionMetaData: any;
    questionSetHierarchy: any;
    toolbarEmitter: EventEmitter<any>;
    prevQuestionId: string;
    showPlayerPreview: boolean;
    showPotrait: boolean;
    hierarchy: any;
    constructor(telemetryService: EditorTelemetryService, configService: ConfigService, editorService: EditorService, treeService: TreeService);
    ngOnChanges(): void;
    initQumlPlayer(): void;
    switchToPotraitMode(): void;
    switchToLandscapeMode(): void;
    removeQuestion(): void;
    editQuestion(): void;
    reviewQuestion(): void;
}