import { InputNode, OutputNode, ToneAudioNode, ToneAudioNodeOptions } from "../../core/context/ToneAudioNode";
import { Analyser } from "./Analyser";
export declare type MeterBaseOptions = ToneAudioNodeOptions;
/**
 * The base class for Metering classes.
 *
 * @example
 * var meter = new MeterBase();
 * var signal = new Tone.Signal().open();
 * //connect signal to the meter
 * signal.connect(meter);
 * //the current level of the signal
 * var level = meter.getValue();
 */
export declare class MeterBase<Options extends MeterBaseOptions> extends ToneAudioNode<Options> {
    readonly name: string;
    /**
     * The signal to be analysed
     */
    input: InputNode;
    /**
     * The output is just a pass through of the input
     */
    output: OutputNode;
    /**
     * The analyser node for the incoming signal
     */
    protected _analyser: Analyser;
    constructor(options?: Partial<MeterBaseOptions>);
    dispose(): this;
}