/**
 * Triangulate a face in a binary topology mesh.
 *
 * Assumes that each face is a convex polygon.
 *
 * If the face is already a triangle, no action is taken.
 *
 * @param {BinaryTopology} mesh
 * @param {number} face Face ID
 * @return {boolean} True if the face was triangulated, false if it was already a triangle.
 */
export function bt_face_triangulate(mesh: BinaryTopology, face: number): boolean;
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