import type * as React from 'react';
import type { ColorPickerAlphaSliderProps } from './types.js';
/**
 * Opacity track, 0-100%; renders nothing when the root has `alpha={false}`.
 *
 * ```css
 * .my-alpha {
 *   background: linear-gradient(to right, transparent, var(--skdx-color-picker-value)), var(--my-checkerboard);
 * }
 * .my-alpha-thumb {
 *   position: absolute;
 *   inset-inline-start: var(--skdx-color-picker-alpha-position);
 * }
 * ```
 *
 * @example
 * ```tsx
 * <ColorPickerAlphaSlider className="my-alpha">
 *   <ColorPickerAlphaSliderThumb className="my-alpha-thumb" />
 * </ColorPickerAlphaSlider>
 * ```
 */
export declare const ColorPickerAlphaSlider: {
    ({ orientation, label, ref: forwardedRef, ...props }: ColorPickerAlphaSliderProps): React.ReactNode;
    displayName: string;
};