export default class ResourceBar extends HTMLElement {
    foregroundElement: HTMLDivElement;
    backgroundElement: HTMLDivElement;
    extraUnderElement: HTMLDivElement;
    extraOverElement: HTMLDivElement;
    leftTextElement: HTMLDivElement;
    centerTextElement: HTMLDivElement;
    rightTextElement: HTMLDivElement;
    private kBackgroundOpacity;
    private kBorderSize;
    private kTextLeftRightEdgePadding;
    private kTextTopBottomEdgePadding;
    private _value;
    private _maxValue;
    private _width;
    private _height;
    private _bg;
    private _fg;
    private _extraColor;
    private _extraValue;
    private _scale;
    private _towardRight;
    private _fill;
    private _leftText;
    private _centerText;
    private _rightText;
    private _connected;
    /** create an instance of ResourceBar with attributes */
    static create(o?: {
        value?: string;
        maxvalue?: string;
        lefttext?: string;
        centertext?: string;
        righttext?: string;
        width?: string;
        height?: string;
        bg?: string;
        fg?: string;
        toward?: string;
        stylefill?: 'empty' | 'full';
        extravalue?: string;
        extracolor?: string;
        scale?: string;
    }): ResourceBar;
    static get observedAttributes(): string[];
    set scale(s: string | null);
    get scale(): string | null;
    set bg(c: string | null);
    get bg(): string | null;
    set extracolor(c: string | null);
    get extracolor(): string | null;
    set fg(c: string | null);
    get fg(): string | null;
    set width(w: string | null);
    get width(): string | null;
    set height(w: string | null);
    get height(): string | null;
    set value(s: string | null);
    get value(): string | null;
    set extravalue(s: string | null);
    get extravalue(): string | null;
    set maxvalue(s: string | null);
    get maxvalue(): string | null;
    set toward(t: string | null);
    get toward(): string | null;
    set stylefill(s: 'empty' | 'full' | null);
    get stylefill(): 'empty' | 'full' | null;
    set lefttext(p: string | null);
    get lefttext(): string | null;
    set righttext(p: string | null);
    get righttext(): string | null;
    set centertext(p: string | null);
    get centertext(): string | null;
    constructor();
    init(root: ShadowRoot): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    attributeChangedCallback(name: string, _oldValue: string | number, newValue: string): void;
    layout(): void;
    updateText(): void;
    draw(): void;
}
declare global {
    interface HTMLElementTagNameMap {
        'resource-bar': ResourceBar;
    }
}