/**
 * Which button type to use. These types are styled differently, to communicate the different
 * roles they play in the UI.
 */
export declare enum ButtonType {
    /**
     * A normal button that has a frame and is not the most important action.
     */
    Normal = "normal",
    /**
     * A primary button triggers the most important action. There should be only one primary button
     * in every view. When using this, also set the type prop to a non-default value, to indicate
     * what kind of action will be taken.
     *
     * When the action prop is set to its default value, a primary button looks the same as a
     * secondary button.
     */
    Primary = "primary",
    /**
     * A frameless button. Use this sparingly, in situations where a framed button would distract
     * too much from the surrounding content. This is most often used with icon-only buttons.
     */
    Quiet = "quiet"
}
export declare function isButtonType(val: unknown): val is ButtonType;