import { Topic } from "../../models";
export declare namespace Constants {
    namespace TransformerMessages {
        const TransformerRatioChange: Topic<string>;
        const TransformerCropChange: Topic<string>;
        const TransformerFilterChange: Topic<string>;
    }
    namespace OutputEvent {
        const TransformerOutput: string;
    }
    namespace MediaPickerTransformer {
        const CropperAreaMaxWidth: number;
    }
}