import { IStyleContainer } from '@devexpress/analytics-core/analytics-internal';
import { IModelSerializer, ISerializationInfo, ISerializationInfoArray } from '@devexpress/analytics-core/analytics-utils';
import { ImageSource } from '../../../common/imageSource';
import * as ko from 'knockout';
import { BaseRenderingMultiplatformModel, IViewModel } from '@devexpress/analytics-core/analytics-serializer-native';
export declare const textAccessibleOptions: ISerializationInfo;
export declare const imageAccessibleOptions: ISerializationInfo;
export declare class AccessibleOptionsModel extends BaseRenderingMultiplatformModel<IViewModel> {
    constructor(model: any, serializer?: IModelSerializer);
    isPropertyDisabled(propertyName: string): boolean;
    watermarkModel: WatermarkModel;
    accessibleRole: ko.Observable<string>;
    accessibleDescription: ko.Observable<string>;
}
export declare class ImageAccessibleOptions extends AccessibleOptionsModel {
    constructor(model: any, serializer?: IModelSerializer);
    getInfo(): ISerializationInfoArray;
    static from(model: any, serializer?: IModelSerializer): ImageAccessibleOptions;
    isPropertyDisabled(propertyName: string): boolean;
}
export declare class TextAccessibleOptions extends AccessibleOptionsModel {
    constructor(model: any, serializer?: IModelSerializer);
    getInfo(): ISerializationInfoArray;
    static from(model: any, serializer?: IModelSerializer): TextAccessibleOptions;
    isPropertyDisabled(propertyName: string): boolean;
}
export declare class WatermarkModel extends BaseRenderingMultiplatformModel<WatermarkModel> implements IStyleContainer {
    constructor(model: any, serializer?: IModelSerializer);
    get displayName(): string;
    get name(): string;
    displayType(): string;
    shouldDrawWatermarkImage(): boolean;
    getInfo(): ISerializationInfoArray;
    watermarkId: ko.Observable<string> | ko.Computed<string>;
    text: ko.Observable<string>;
    textDirection: ko.Observable<string>;
    foreColor: ko.Observable<string>;
    imageSource: ko.Observable<ImageSource>;
    textAccessibleOptions: TextAccessibleOptions;
    imageAccessibleOptions: ImageAccessibleOptions;
    rtl: () => any;
}