@Override
    public void glBlendEquationSeparate(final int colorMode, final int alphaMode) {
        GL20.glBlendEquationSeparate(colorMode, alphaMode);
    }
The LWJGL implementation of interfaces {@link GL}, {@link GL2}, {@link GL3}, {@link GL4}.
jme3-lwjgl3/src/main/java/com/jme3/renderer/lwjgl/LwjglGL.java