/**
 * Theme manager for the terminal UI design system.
 *
 * Manages theme registration, activation, and change notifications.
 * Built-in themes: default (dark) and light.
 */
import { type ColorDepth, type ColorTheme } from "./color-engine.ts";
import type { ColorTokens } from "./tokens.ts";
import type { MarkdownTypographyStyles, MessageTypographyStyles, SyntaxTypographyStyles, ToolTypographyStyles, TypographyStyles } from "./typography.ts";
export interface ThemeDefinition {
    readonly name: string;
    readonly displayName: string;
    readonly tokens: ColorTokens;
}
export interface ActiveTheme extends ThemeDefinition {
    readonly colorTheme: ColorTheme;
    readonly typography: TypographyStyles;
    readonly messageTypography: MessageTypographyStyles;
    readonly markdownTypography: MarkdownTypographyStyles;
    readonly toolTypography: ToolTypographyStyles;
    readonly syntaxTypography: SyntaxTypographyStyles;
}
export declare const builtInThemes: Record<string, ThemeDefinition>;
export type ThemeChangeListener = (theme: ActiveTheme) => void;
export declare class ThemeManager {
    private currentTheme;
    private listeners;
    private customThemes;
    constructor(initialThemeName?: string, forcedDepth?: ColorDepth);
    /**
     * Get the currently active theme.
     */
    get theme(): ActiveTheme;
    /**
     * Get the current theme name.
     */
    get themeName(): string;
    /**
     * Get a list of available theme names.
     */
    get availableThemes(): string[];
    /**
     * Switch to a different theme by name.
     * Returns true if successful, false if theme not found.
     */
    setTheme(name: string, forcedDepth?: ColorDepth): boolean;
    /**
     * Register a custom theme.
     */
    registerTheme(definition: ThemeDefinition): void;
    /**
     * Unregister a custom theme.
     */
    unregisterTheme(name: string): void;
    /**
     * Subscribe to theme changes.
     * Returns an unsubscribe function.
     */
    onChange(listener: ThemeChangeListener): () => void;
    /**
     * Force re-create the current theme (e.g. after terminal capability changes).
     */
    refresh(forcedDepth?: ColorDepth): void;
    /**
     * Invalidate all component caches. This should be called after theme changes.
     * Components should listen to theme changes and call invalidate().
     */
    invalidate(): void;
    private buildActiveTheme;
    private notifyListeners;
}
/**
 * Get or create the global theme manager instance.
 */
export declare function getThemeManager(): ThemeManager;
/**
 * Reset the global theme manager (useful for testing).
 */
export declare function resetThemeManager(): void;
//# sourceMappingURL=manager.d.ts.map