/// <reference path="../pxtlib.d.ts" />
import * as Blockly from "blockly";
export interface FlowOptions {
    ratio?: number;
    useViewWidth?: boolean;
}
export declare function patchBlocksFromOldWorkspace(blockInfo: ts.pxtc.BlocksInfo, oldWs: Blockly.Workspace, newXml: string): string;
/**
 * Splits a blockly SVG AFTER a vertical layout. This function relies on the ordering
 * of blocks / comments to get as getTopBlock(true)/getTopComment(true)
 */
export declare function splitSvg(svg: SVGSVGElement, ws: Blockly.WorkspaceSvg, emPixels?: number): Element;
export declare function verticalAlign(ws: Blockly.WorkspaceSvg, emPixels: number): void;
export declare function setCollapsedAll(ws: Blockly.WorkspaceSvg, collapsed: boolean): void;
export declare function flow(ws: Blockly.WorkspaceSvg, opts?: FlowOptions): void;
export declare function screenshotEnabled(): boolean;
export declare function screenshotAsync(ws: Blockly.WorkspaceSvg, pixelDensity?: number, encodeBlocks?: boolean): Promise<string>;
export declare function toPngAsync(ws: Blockly.WorkspaceSvg, pixelDensity?: number, encodeBlocks?: boolean): Promise<string>;
export declare function toSvgAsync(ws: Blockly.WorkspaceSvg, pixelDensity: number): Promise<{
    width: number;
    height: number;
    xml: string;
}>;
export declare function serializeNode(sg: Node): string;
export declare function serializeSvgString(xmlString: string): string;
export interface BlockSvg {
    width: number;
    height: number;
    svg: string;
    xml: string;
    css: string;
}
export declare function cleanUpBlocklySvg(svg: SVGElement): SVGElement;
export declare function blocklyToSvgAsync(sg: SVGElement, x: number, y: number, width: number, height: number, scale?: number): Promise<BlockSvg>;
export declare function documentToSvg(xsg: Node): string;