import { LoadingEffect } from '../util/types';
import ExtensionAPI from '../ExtensionAPI';
export default function (api: ExtensionAPI, opts?: {
    text?: string;
    color?: string;
    textColor?: string;
    maskColor?: string;
    zlevel?: number;
    showSpinner?: boolean;
    spinnerRadius?: number;
    lineWidth?: number;
    fontSize?: number;
}): LoadingEffect;
