@FeatureDescriptor(name = FEATURE_META_PROPERTIES)
            default boolean supportsMetaProperties() {
                return true;
            }
Determines if a {@link Vertex} can support properties on vertex properties.  It is assumed that a
graph will support all the same data types for meta-properties that are supported for regular
properties.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/Graph.java