hugegraph-client/src/main/java/org/apache/hugegraph/example/SingleExample.java
hugegraph-loader/assembly/static/example/file/schema.groovy

hugegraph-client/src/main/java/org/apache/hugegraph/example/SingleExample.java
hugegraph-loader/assembly/static/example/hdfs/schema.groovy

hugegraph-client/src/main/java/org/apache/hugegraph/example/SingleExample.java
hugegraph-loader/assembly/static/example/spark/schema.groovy

hugegraph-client/src/main/java/org/apache/hugegraph/serializer/direct/util/GraphSchema.java
hugegraph-loader/src/main/java/org/apache/hugegraph/loader/builder/SchemaCache.java

hugegraph-client/src/main/java/org/apache/hugegraph/util/JsonUtil.java
hugegraph-loader/src/main/java/org/apache/hugegraph/loader/util/JsonUtil.java