import { type BasedAdditionalProps, type SelectBoxOption } from '../SelectBox.types';
/**
 * Type guard to check if an option is a selectable option (has value and may have disabled)
 *
 * @param option - The option to check
 *
 * @returns True if the option has a value (is not a group label)
 */
export declare function isSelectableOption<T extends string | number | undefined = string, AdditionalProps extends BasedAdditionalProps = BasedAdditionalProps>(option: SelectBoxOption<T, AdditionalProps>): option is Extract<SelectBoxOption<T, AdditionalProps>, {
    value?: T;
}>;
/**
 * Returns true if the option is selectable and disabled.
 *
 * @param option - Option to check
 */
export declare function isOptionDisabled<T extends string | number | undefined = string, AdditionalProps extends BasedAdditionalProps = BasedAdditionalProps>(option: SelectBoxOption<T, AdditionalProps>): boolean;