/**
 * Velo Plot - Theme Editor Module
 *
 * Provides a visual theme editor for customizing chart appearance:
 * - Color pickers for all theme elements
 * - Live preview
 * - Theme export/import
 * - Preset theme gallery
 *
 * @module theme-editor
 */
export type EditorTheme = Record<string, unknown>;
export interface ThemeEditorOptions {
    /** Base theme to start from */
    baseTheme?: EditorTheme | string;
    /** Enable live preview (default: true) */
    livePreview?: boolean;
    /** Show advanced options (default: false) */
    showAdvanced?: boolean;
    /** Custom CSS class for the editor */
    className?: string;
    /** Callback when theme changes */
    onChange?: (theme: EditorTheme) => void;
    /** Callback when export is requested */
    onExport?: (theme: EditorTheme, json: string) => void;
}
export interface ThemePreset {
    /** Preset name */
    name: string;
    /** Description */
    description?: string;
    /** Theme configuration */
    theme: EditorTheme;
    /** Preview colors (for UI) */
    previewColors?: string[];
    /** Tags for filtering */
    tags?: string[];
}
export interface ColorGroup {
    /** Group label */
    label: string;
    /** Group description */
    description?: string;
    /** Color properties in this group */
    colors: ColorProperty[];
}
export interface ColorProperty {
    /** Property key path (e.g., 'background', 'axis.color') */
    key: string;
    /** Display label */
    label: string;
    /** Description/tooltip */
    description?: string;
    /** Current value */
    value: string;
    /** Default value */
    defaultValue?: string;
}
export declare const THEME_PRESETS: ThemePreset[];
export declare class ThemeEditor {
    private container;
    private options;
    private currentTheme;
    private element;
    constructor(container: HTMLElement, options?: ThemeEditorOptions);
    /**
     * Get current theme
     */
    getTheme(): EditorTheme;
    /**
     * Set theme
     */
    setTheme(theme: EditorTheme | string): void;
    /**
     * Update a specific theme property
     */
    updateProperty(key: string, value: string): void;
    /**
     * Export theme as JSON
     */
    exportTheme(): string;
    /**
     * Import theme from JSON
     */
    importTheme(json: string): void;
    /**
     * Get theme preset by name
     */
    getPreset(name: string): ThemePreset | undefined;
    /**
     * Apply a preset
     */
    applyPreset(name: string): void;
    /**
     * Get all available presets
     */
    getPresets(): ThemePreset[];
    /**
     * Destroy the editor
     */
    destroy(): void;
    private resolveTheme;
    private setNestedValue;
    private getNestedValue;
    private notifyChange;
    private render;
    private generateHTML;
    private normalizeColor;
    private attachEventListeners;
}
/**
 * Create a theme editor instance
 */
export declare function createThemeEditor(container: HTMLElement, options?: ThemeEditorOptions): ThemeEditor;
/**
 * Get a preset theme by name
 */
export declare function getPresetTheme(name: string): EditorTheme | undefined;
/**
 * Get all preset names
 */
export declare function getPresetNames(): string[];