import { EventEmitter } from "../../stencil-public-runtime";
import { Color } from "../../interface";
export declare class Button {
    private inFooter;
    el: HTMLElement;
    win: Window;
    keyFocus: boolean;
    /**
     * The color to use from the Liberty color palette.
     * Default options are: `'primary', 'primary_darkest', 'primary_darker', 'primary_dark', 'primary_light', 'primary_lighter', 'primary_lightest', 'neutral', 'neutral_darker', 'neutral_darkest', 'neutral_light', 'neutral_lighter', 'neutral_lightest', 'ruby', 'official', 'warning', 'error', 'success', 'success_light', 'mustard'`.
     */
    color?: Color;
    /**
     * The type of button.
     */
    buttonType: string;
    /**
     * If `true`, the user cannot interact with the button.
     */
    disabled: boolean;
    /**
     * Set to `"block"` for a full-width button or to `"full"` for a full-width button
     * without left and right borders.
     */
    expand?: "full" | "block";
    /**
     * Set to `"clear"` for a transparent button, to `"outline"` for a transparent
     * button with a border, or to `"solid"`. The default style is `"solid"` except inside of
     * a toolbar, where the default is `"clear"`.
     */
    fill?: "clear" | "outline" | "solid" | "default";
    /**
     * Contains a URL or a URL fragment that the hyperlink points to.
     * If this property is set, an anchor tag will be rendered.
     */
    href?: string;
    /**
     * Sets the aria label on the button or link for screen reader purposes.
     */
    label?: string;
    /**
     * Specifies relationship of current document to linked document.
     * Only used when href prop is set.
     */
    rel?: string;
    /**
     * The button shape.
     */
    shape?: "round";
    /**
     * The button size.
     */
    size?: "small" | "default" | "large";
    /**
     * If `true`, activates a button with a heavier font weight.
     */
    strong: boolean;
    /**
     * Specifies how to display link.
     * Only used when href prop is set.
     */
    target?: "_blank" | "_parent" | "_self" | "_top";
    /**
     * The type of the button.
     */
    type: "submit" | "reset" | "button";
    /**
     * Emitted when the button has focus.
     */
    luFocus: EventEmitter<void>;
    /**
     * Emitted when the button loses focus.
     */
    luBlur: EventEmitter<void>;
    componentWillLoad(): void;
    private onFocus;
    private onKeyUp;
    private onBlur;
    private onClick;
    hostData(): {
        "aria-disabled": string;
        class: {
            [x: string]: boolean;
            focused: boolean;
            "button-disabled": boolean;
            "lu-activatable": boolean;
        };
    };
    render(): any;
}