src/main/java/com/microsoft/spring/data/gremlin/conversion/script/GremlinScriptLiteralVertex.java [68:76]:
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        if (!(source instanceof GremlinSourceVertex)) {
            throw new GremlinUnexpectedSourceTypeException("should be the instance of GremlinSourceVertex");
        }

        Assert.isTrue(source.getId().isPresent(), "GremlinSource should contain id.");

        final List<String> scriptList = Arrays.asList(
                GREMLIN_PRIMITIVE_GRAPH,                                 // g
                GREMLIN_PRIMITIVE_VERTEX_ALL,                            // V()
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src/main/java/com/microsoft/spring/data/gremlin/conversion/script/GremlinScriptLiteralVertex.java [122:130]:
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        if (!(source instanceof GremlinSourceVertex)) {
            throw new GremlinUnexpectedSourceTypeException("should be the instance of GremlinSourceVertex");
        }

        Assert.isTrue(source.getId().isPresent(), "GremlinSource should contain id.");

        final List<String> scriptList = Arrays.asList(
                GREMLIN_PRIMITIVE_GRAPH,                                  // g
                GREMLIN_PRIMITIVE_VERTEX_ALL,                             // E()
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