src/main/java/com/microsoft/spring/data/gremlin/conversion/source/GremlinSourceGraphReader.java (1 line):
	- line 75: // TODO: seems unnecessary here.


src/main/java/com/microsoft/spring/data/gremlin/conversion/result/AbstractGremlinResultReader.java (1 line):
	- line 19: // TODO: seems only for Vertex.


src/main/java/com/microsoft/spring/data/gremlin/conversion/script/AbstractGremlinScriptLiteral.java (1 line):
	- line 161: // TODO: should move to query method part.