export class Toolbar {
    constructor(canvas: any, toolManager: any, font: any, scale?: number);
    canvas: any;
    toolManager: any;
    font: any;
    scale: number;
    imguiCtx: any;
    buttons: Map<any, any>;
    activeTool: any;
    panelX: number;
    panelY: number;
    panelW: number;
    panelH: number;
    panelBg: {
        r: number;
        g: number;
        b: number;
        a: number;
    };
    panelBorder: {
        r: number;
        g: number;
        b: number;
        a: number;
    };
    paddingx: number;
    /**
     * Set the IMGUI context (must be called before update/draw)
     */
    setIMGUIContext(imguiCtx: any): void;
    buildUI(): void;
    toolConfigs: {
        name: string;
        label: string;
        hotkey: string;
    }[];
    /**
     * Get the bounding box of the toolbar panel
     * @returns {Object} { x, y, w, h }
     */
    getBounds(): any;
    updateActiveButton(): void;
    draw(): void;
    onToolChanged(): void;
}