/**
 * Theme bridge between ITerminalTheme (xterm.js format) and GhosttyTheme (restty format).
 *
 * Converts the mks-dev-environment Synthwave theme colors into
 * restty's Ghostty-compatible theme format for GPU-rendered terminals.
 *
 * @module components/devenv/terminal/theme-restty
 */
import type { ITerminalTheme } from './Terminal.types';
/**
 * RGB color as used by restty's Ghostty theme format.
 * Each channel is 0-255.
 */
export interface IResttyThemeColor {
    r: number;
    g: number;
    b: number;
    a?: number;
}
/**
 * Ghostty theme structure compatible with restty's applyTheme().
 * Mirrors the GhosttyTheme type from restty/theme.
 */
export interface IResttyGhosttyTheme {
    name?: string;
    colors: {
        background?: IResttyThemeColor;
        foreground?: IResttyThemeColor;
        cursor?: IResttyThemeColor;
        cursorText?: IResttyThemeColor;
        selectionBackground?: IResttyThemeColor;
        selectionForeground?: IResttyThemeColor;
        palette: Array<IResttyThemeColor | undefined>;
    };
    raw: Record<string, string>;
}
/**
 * Convert a hex color string (#RRGGBB or #RGB) to restty's ThemeColor format.
 *
 * @param hex - Hex color string (e.g., '#D40C67', '#fff')
 * @returns RGB color object with channels 0-255
 */
export declare function hexToResttyColor(hex: string): IResttyThemeColor;
/**
 * Convert ITerminalTheme (xterm.js format) to GhosttyTheme (restty format).
 *
 * Maps the 16-color ANSI palette plus background, foreground, cursor,
 * and selection colors to restty's Ghostty theme structure.
 *
 * @param theme - xterm.js theme with hex color values
 * @returns Ghostty theme compatible with restty's applyTheme()
 */
export declare function xtermThemeToGhostty(theme: ITerminalTheme): IResttyGhosttyTheme;
/**
 * Get the Synthwave Industrial Dark theme in Ghostty format for restty.
 *
 * Pre-built conversion of the default terminal theme, ready to pass
 * directly to `restty.applyTheme()`.
 *
 * @returns GhosttyTheme with Synthwave colors
 */
export declare function getSynthwaveGhosttyTheme(): IResttyGhosttyTheme;
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