import type { AppBarColorInherit } from "./useInheritContext";
export interface AppBarActionClassNameProps extends AppBarColorInherit {
    /**
     * An optional className to merge with the nav classes.
     */
    className?: string;
    /**
     * Boolean if this is the first action within the app bar. This is really just
     * used to automatically right-align all the actions by applying
     * `margin-left: auto` to this action.
     */
    first?: boolean;
    /**
     * Boolean if this is the last action within the app bar's row. This will just
     * apply the `$rmd-app-bar-lr-margin` as `margin-right`.
     *
     * NOTE: This should not be used when using an overflow menu.
     */
    last?: boolean;
}
/**
 * This is a hook that will apply the nav classnames to an element. This should
 * really not be used externally and is really just for creating dropdown menus
 * within app bars that have the action styles.
 *
 * @internal
 */
export declare function useActionClassName({ first, last, inheritColor, className, }?: AppBarActionClassNameProps): string;