import { ComponentBase } from "./component-base";
export declare class WidgetChannel {
    bindMethod?: (func: any, stream: number | string) => void;
    bindCallback?: (func: any, stream: number | string) => void;
    getStreamID?: (stream: string) => string;
    callRPC?: (addr: number, rpcID: number, call_fmt: string, resp_fmt: string, args: (string | number)[], timeout?: number) => Promise<any[]>;
    getUnits?: (stream: string) => string;
    setState?: (state: string) => void;
    constructor();
}
export declare class WidgetBase extends ComponentBase {
    channel: WidgetChannel | undefined;
    widget: any;
    constructor(name: string, $injector: any, $scope: any);
    initialize(): Promise<void>;
    cleanup(): Promise<void>;
}