/**
 * Compute interior angle between three points
 * Computed angle is around point B
 * @param {{x:number, y:number, z:number}} a
 * @param {{x:number, y:number, z:number}} b
 * @param {{x:number, y:number, z:number}} c
 * @returns {number} angle in radians
 */
export function v3_compute_interior_angle(a: {
    x: number;
    y: number;
    z: number;
}, b: {
    x: number;
    y: number;
    z: number;
}, c: {
    x: number;
    y: number;
    z: number;
}): number;
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