export declare class CannyLoader {
    protected readonly scriptId: string;
    protected readonly href: string;
    protected static loaders: {
        [script: string]: CannyLoader;
    };
    protected _loader?: Promise<any>;
    protected script: HTMLScriptElement;
    protected constructor(scriptId: string, href: string);
    get loader(): Promise<void>;
    protected handleLoad(): Promise<void>;
    protected handleError(err: any): Promise<void>;
    static load(scriptId: string, href: string): Promise<void>;
}