code: public Vector4f getRow(int row, Vector4f dest) throws IndexOutOfBoundsException {
          switch (row) {
          case 0:
              dest.x = m00;
              dest.y = m10;
              dest.z = m20;
              dest.w = m30;
              break;
          case 1:
              dest.x = m01;
              dest.y = m11;
              dest.z = m21;
              dest.w = m31;
              break;
          case 2:
              dest.x = m02;
              dest.y = m12;
              dest.z = m22;
              dest.w = m32;
              break;
          case 3:
              dest.x = m03;
              dest.y = m13;
              dest.z = m23;
              dest.w = m33;
              break;
          default:
              throw new IndexOutOfBoundsException();
          }
          return dest;
      }
docs: /* (non-Javadoc)
  @see org.joml.Matrix4fc#getRow(int, org.joml.Vector4f)