import { IDesignerExtensionProvider } from '../IDesignerExtensionProvider.js';
import { IDesignItem } from '../../../../item/IDesignItem.js';
import { IDesignerCanvas } from '../../IDesignerCanvas.js';
import { IDesignerExtension } from '../IDesignerExtension.js';
import { IExtensionManager } from '../IExtensionManger.js';
export declare class ApplyFirstMachingExtensionProvider implements IDesignerExtensionProvider {
    private extensions;
    private extIndex;
    style: CSSStyleSheet[];
    svgDefs: string[];
    constructor(...extensions: IDesignerExtensionProvider[]);
    shouldExtend(extensionManager: IExtensionManager, designerCanvas: IDesignerCanvas, designItem: IDesignItem): boolean;
    getExtension(extensionManager: IExtensionManager, designerCanvas: IDesignerCanvas, designItem: IDesignItem): IDesignerExtension;
}