Interface EngineRuntime

interface EngineRuntime {
    bufferCache: Record<string, ArrayBuffer>;
    fontCache: Record<string, unknown>;
    fontManager: FontManager;
    fontRegistry: FontConfig[];
    loadingPromises: Record<string, Promise<unknown>>;
    measurementCache: Map<
        string,
        {
            ascent: number;
            descent: number;
            glyphs: { char: string; x: number; y: number }[];
            shapedGlyphs?: ShapedGlyph[];
            width: number;
        },
    >;
}