Interface ToneConstantSourceOptions<TypeName>

interface ToneConstantSourceOptions<TypeName extends UnitName> {
    context: BaseContext;
    convert: boolean;
    curve: OneShotSourceCurve;
    fadeIn: Time;
    fadeOut: Time;
    maxValue?: number;
    minValue?: number;
    offset: UnitMap[TypeName];
    onended: onEndedCallback;
    units: TypeName;
}