import { LitElement } from 'lit';
/**
 * Color Picker component with multiple format support and visual selector
 *
 * @slot - Not used (component is self-contained)
 *
 * @fires color-change - Dispatched when color is selected
 * @fires format-change - Dispatched when color format changes
 *
 * @csspart container - Main container
 * @csspart canvas - Color canvas (hue/saturation)
 * @csspart slider - Color sliders
 * @csspart input - Color input fields
 * @csspart swatches - Preset color swatches
 *
 * @cssprop --colorpicker-width - Width of the color picker (default: 280px)
 * @cssprop --colorpicker-border-color - Border color
 * @cssprop --colorpicker-bg - Background color
 */
export declare class UIColorPicker extends LitElement {
    static styles: import("lit").CSSResult;
    value: string;
    alpha: number;
    format: 'hex' | 'rgb' | 'hsl';
    showAlpha: boolean;
    showEyeDropper: boolean;
    presetColors: string[];
    showRecentColors: boolean;
    maxRecentColors: number;
    ariaLabel: string;
    ariaDescribedby?: string;
    private _color;
    private _isDraggingCanvas;
    private _isDraggingHue;
    private _isDraggingAlpha;
    private _canvasX;
    private _canvasY;
    private _recentColors;
    private pickerId;
    private hueSliderid;
    private alphaSliderid;
    private descriptionId;
    connectedCallback(): void;
    updated(changedProperties: Map<string, any>): void;
    private _parseColor;
    private _hexToColor;
    private _rgbToColor;
    private _hslToColor;
    private _rgbToHsl;
    private _hslToRgb;
    private _rgbToHsv;
    private _hsvToRgb;
    private _updateCanvasPosition;
    private _updateColorFromHsv;
    private _addToRecentColors;
    private _handleCanvasMouseDown;
    private _handleCanvasMouseMove;
    private _handleCanvasMouseUp;
    private _updateCanvasColor;
    private _handleHueChange;
    private _handleAlphaChange;
    private _handleHueKeyDown;
    private _handleAlphaKeyDown;
    private _handleEyeDropper;
    private _selectSwatch;
    private _changeFormat;
    private _emitChange;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-colorpicker': UIColorPicker;
    }
}
//# sourceMappingURL=colorpicker.d.ts.map