public Builder vertexProperties(final Traversal<VertexProperty, ?> vertexPropertyPredicate) {
            this.vertexPropertyCriterion = vertexPropertyPredicate;
            return this;
        }
The traversal predicate that defines the vertex properties to include in the subgraph.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/strategy/decoration/SubgraphStrategy.java