/**
 * Bundled terminal fonts for restty — Ghostty-like coverage without CDN.
 *
 * Ghostty embeds JetBrains Mono + built-in Nerd Fonts. Restty’s default chain
 * does the same via local faces + jsdelivr. We ship the full mono weight set
 * plus Symbols Nerd Font so overriding `terminal.fonts` does not produce tofu.
 *
 * Assets (under packages/sdk/assets/fonts/):
 *   JetBrainsMonoNLNerdFontMono-{Regular,Bold,Italic,BoldItalic}.ttf
 *   SymbolsNerdFont-Regular.ttf
 */
export type BundledFontFace = {
    data: ArrayBuffer;
    name: string;
    weight: number;
    style: 'normal' | 'italic';
};
/** Restty-compatible font input (buffer or local family). */
export type ResttyFontInputLike = {
    data: ArrayBuffer;
    name: string;
    weight?: number;
    style?: 'normal' | 'italic' | 'oblique';
} | {
    family: string;
    local?: 'prefer' | 'require';
    name?: string;
    weight?: number;
    style?: 'normal' | 'italic' | 'oblique';
};
type FontSpec = {
    file: string;
    name: string;
    weight: number;
    style: 'normal' | 'italic';
};
/** Matches restty DEFAULT_FONT_INPUTS naming for style selection. */
declare const BUNDLED_SPECS: FontSpec[];
export declare function loadBundledFontFace(spec: FontSpec): Promise<BundledFontFace | null>;
/**
 * Load primary mono face (Nerd Font Mono Regular when available).
 */
export declare function loadBundledMonoFont(): Promise<BundledFontFace | null>;
export declare function bundledFontResttyInput(face: BundledFontFace): {
    data: ArrayBuffer;
    name: string;
    weight: number;
    style: 'normal' | 'italic';
};
/**
 * Restty font chain approximating Ghostty + restty DEFAULT_FONT_INPUTS:
 *   Regular/Bold/Italic/BoldItalic Nerd Mono → Symbols Nerd Font →
 *   local nerd/emoji/system mono faces.
 */
export declare function buildResttyFontChain(): Promise<ResttyFontInputLike[]>;
/** True when all critical glyph-coverage faces are present. */
export declare function hasBundledNerdCoverage(): Promise<boolean>;
export { BUNDLED_SPECS };
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