@Override
    public String toString() {
        return "ShaderGenerationInfo{" + "attributes=" + attributes + ", vertexUniforms=" + vertexUniforms + ", vertexGlobal=" + vertexGlobal + ", varyings=" + varyings + ", fragmentUniforms=" + fragmentUniforms + ", fragmentGlobals=" + fragmentGlobals + '}';
    }
convenient toString method

@return the information
jme3-core/src/main/java/com/jme3/material/ShaderGenerationInfo.java