/** @internal */
export declare class FaceMeshGenerator {
    private render_mean_;
    private render_identity_;
    private render_expression_;
    private render_uvs_;
    private render_indices_;
    private render_indices_reversed;
    private vertices_;
    private normals_;
    private normalsCalculated_;
    private modelVersion_;
    private mirrored_;
    loadDefaultModel(fillMouth: boolean, fillEyeL: boolean, fillEyeR: boolean, fillNeck: boolean): Promise<void>;
    loadFullHeadSimplifiedModel(fillMouth: boolean, fillEyeL: boolean, fillEyeR: boolean, fillNeck: boolean): Promise<void>;
    loadFromMemory(ab: ArrayBuffer, fillMouth: boolean, fillEyeL: boolean, fillEyeR: boolean, fillNeck: boolean): void;
    getVertices(): Float32Array;
    getUVs(): Float32Array;
    getIndices(): Uint16Array;
    getNormals(): Float32Array;
    getModelVersion(): number;
    update(identity: Float32Array, expression: Float32Array, mirrored: boolean): void;
    calculateNormals(): void;
}