Create a new vertex, add it to the graph, and return the newly created vertex. The provided object identifier is a recommendation for the identifier to use. It is not required that the implementation use this identifier.
@param id the recommended object identifier
@return the newly created vertex
Creates a new unconnected vertex with no fields in the Graph.
@param id Optional, can contains the Edge's class name by prefixing with "class:"
@return The new OrientVertex created
Add a {@link Vertex} to the graph given an optional series of key/value pairs. These key/valuesmust be provided in an even number where the odd numbered arguments are {@link String} property keys and theeven numbered arguments are the related property values. Hidden properties can be set by specifying the key as {@link com.tinkerpop.gremlin.structure.Graph.Key#hide}.
@param keyValues The key/value pairs to turn into vertex properties
@return The newly created vertex
Adds vertex to DAG. If vertex of given label alredy exist in DAG no vertex is added
@param label The lable of the Vertex
@return New vertex if vertext of given label was not presenst in the DAGor exising vertex if vertex of given labale was alredy added to DAG
Adds a vertex to the graph. If the vertex does not exist prior to this call, it is added with no incoming or outgoing edges. Nothing happens if the vertex already exists.
@param vertex the new vertex
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