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';
import { IGeometryReader } from './geometry/IGeometry.js';
export declare class UnifiedGeometryExtensionProvider implements IDesignerExtensionProvider {
    private _customReader?;
    constructor(customReader?: IGeometryReader);
    shouldExtend(extensionManager: IExtensionManager, designerView: IDesignerCanvas, designItem: IDesignItem): boolean;
    getExtension(extensionManager: IExtensionManager, designerView: IDesignerCanvas, designItem: IDesignItem): IDesignerExtension;
    readonly style: CSSStyleSheet;
}