import { DraggableFieldState, IStoInfoOld, IVisSpec, IVisualConfig, IVisualConfigNew, IVisualLayout } from '../interfaces';
export declare function initEncoding(): DraggableFieldState;
export declare function initVisualConfig(): IVisualConfig;
export declare const emptyVisualLayout: IVisualLayout;
export declare const emptyVisualConfig: IVisualConfigNew;
export declare const emptyEncodings: DraggableFieldState;
export declare function visSpecDecoder(visSpec: IVisSpec): IVisSpec;
export declare const forwardVisualConfigs: (content: IStoInfoOld['specList'][number]) => IVisSpec;
export declare function download(data: string, filename: string, type: string): void;
export declare function downloadBlob(blob: Blob, filename: string): void;