export interface ControlKnobOptions {
    imageSize?: number;
    minValue?: number;
    maxValue?: number;
    /** Value restored on alt-click / reset. Defaults to `minValue`. */
    defaultValue?: number;
    /** Snaps the value to multiples of this increment (e.g. `0.01`). `0` (default) keeps it continuous. */
    step?: number;
    /** Formats the displayed value and `aria-valuetext`. Defaults to rounding. */
    formatValue?: (value: number) => string;
    showTick?: boolean;
    showValue?: boolean;
    hideDefaultValue?: boolean;
    tickLength?: number;
    tickOffset?: number;
    tickStroke?: number;
    rimStroke?: number;
    valueArchStroke?: number;
    bgRadius?: number;
    wheelFactor?: number;
    keyFactor?: number;
    tabIndex?: number;
    ariaLabel?: string;
    valueTextX?: number;
    valueTextY?: number;
    /** Font size of the value text, in viewBox units (the viewBox is 100×100). */
    fontSize?: number;
    svgClass?: string;
    bgClass?: string;
    rimClass?: string;
    valueArchClass?: string;
    tickClass?: string;
    valueTextClass?: string;
    passiveEvents?: boolean;
}