@Override
                public Features.VertexPropertyFeatures properties() {
                    return new Features.VertexPropertyFeatures() {
                        @Override
                        public boolean supportsRemoveProperty() {
                            return false;
                        }

                        @Override
                        public boolean supportsCustomIds() {
                            return false;
                        }
                    };
                }
@author Marko A. Rodriguez (http://markorodriguez.com)
hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/structure/HadoopGraph.java