/**
 * Moves one step in a ring over `values`, skipping entries where `canSelect`
 * is false (same algorithm as {@link TimePicker#stepFocusedValue}).
 *
 * @returns the next selectable value, or `null` if `values` is empty or no entry is selectable.
 */
export declare function findNextSelectableRingValue(values: number[], currentValue: number, direction: 1 | -1, canSelect: (candidate: number) => boolean): number | null;