hugegraph-core/src/main/java/org/apache/hugegraph/backend/store/memory/InMemoryDBStore.java [450:489]:
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            return true;
        }

        @Override
        public boolean supportsDeleteEdgeByLabel() {
            return false;
        }

        @Override
        public boolean supportsUpdateVertexProperty() {
            return false;
        }

        @Override
        public boolean supportsMergeVertexProperty() {
            return false;
        }

        @Override
        public boolean supportsUpdateEdgeProperty() {
            return false;
        }

        @Override
        public boolean supportsTransaction() {
            return false;
        }

        @Override
        public boolean supportsNumberType() {
            return false;
        }

        @Override
        public boolean supportsAggregateProperty() {
            return false;
        }

        @Override
        public boolean supportsTtl() {
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hugegraph-hbase/src/main/java/org/apache/hugegraph/backend/store/hbase/HbaseFeatures.java [91:134]:
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        return true;
    }

    @Override
    public boolean supportsDeleteEdgeByLabel() {
        // TODO: Supports this feature through HBase secondary index
        return false;
    }

    @Override
    public boolean supportsUpdateVertexProperty() {
        // Vertex properties are stored in a cell(column value)
        return false;
    }

    @Override
    public boolean supportsMergeVertexProperty() {
        return false;
    }

    @Override
    public boolean supportsUpdateEdgeProperty() {
        // Edge properties are stored in a cell(column value)
        return false;
    }

    @Override
    public boolean supportsTransaction() {
        // TODO: Supports tx through BufferedMutator and range-lock
        return false;
    }

    @Override
    public boolean supportsNumberType() {
        return false;
    }

    @Override
    public boolean supportsAggregateProperty() {
        return false;
    }

    @Override
    public boolean supportsTtl() {
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