export interface HbGlyph {
    ax: number;
    ay: number;
    cl: number;
    dx: number;
    dy: number;
    flags: number;
    g: number;
}
export interface HbBuffer {
    addText(text: string): void;
    destroy(): void;
    guessSegmentProperties(): void;
    json(): HbGlyph[];
    reset(): void;
    setDirection(dir: "ltr" | "rtl" | "ttb" | "btt"): void;
    setLanguage(language: string): void;
    setScript(script: string): void;
}
export interface HbFont {
    destroy(): void;
    getUpem(): number;
}
export interface HbFace {
    destroy(): void;
}
export interface HbBlob {
    destroy(): void;
}
export interface HbApiInstance {
    createBlob(data: Uint8Array): HbBlob;
    createBuffer(): HbBuffer;
    createFace(blob: HbBlob, index: number): HbFace;
    createFont(face: HbFace): HbFont;
    shape(font: HbFont, buffer: HbBuffer): void;
}
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