import { ToneAudioNodeOptions } from "../core/context/ToneAudioNode";
import { Add } from "./Add";
import { Multiply } from "./Multiply";
import { SignalOperator } from "./SignalOperator";
export interface ScaleOptions extends ToneAudioNodeOptions {
    min: number;
    max: number;
}
/**
 * Performs a linear scaling on an input signal.
 * Scales a NormalRange input to between
 * outputMin and outputMax.
 *
 * @example
 * var scale = new Scale(50, 100);
 * var signal = new Signal(0.5).connect(scale);
 * //the output of scale equals 75
 * @category Signal
 */
export declare class Scale extends SignalOperator<ScaleOptions> {
    readonly name: string;
    readonly input: Multiply;
    readonly output: Add;
    private _outputMin;
    private _outputMax;
    /**
     * @param min The output value when the input is 0.
     * @param max The output value when the input is 1.
     */
    constructor(min?: number, max?: number);
    constructor(options?: Partial<ScaleOptions>);
    static getDefaults(): ScaleOptions;
    /**
     * The minimum output value. This number is output when the value input value is 0.
     */
    min: number;
    /**
     * The maximum output value. This number is output when  the value input value is 1.
     */
    max: number;
    /**
     * set the values
     */
    private _setRange;
    dispose(): this;
}