public Edge addEdge(final String fromId, final String toId) {
    """
	Convenience method to add and return an Edge between a Node/Subgraph and another Node/Subgraph within the
	immediate Statements in this Graph.
	
	@param fromId The non-empty ID of the Node/Subgraph from which the Edge should originate.
	@param toId   The non-empty ID of the Node/Subgraph to which the Edge should be directed.
	@return The newly created Edge - or {@code null} if the Edge could not be created.
    """
        return getStatements().addEdge(fromId, toId, this);
    }
public Edge addEdge(final String fromId, final String toId) {
        return getStatements().addEdge(fromId, toId, this);
    }
public Edge addEdge ( final String fromId , final String toId ) { return getStatements ( ) . addEdge ( fromId , toId , this ) ; }
Convenience method to add and return an Edge between a Node/Subgraph and another Node/Subgraph within the
immediate Statements in this Graph.

@param fromId The non-empty ID of the Node/Subgraph from which the Edge should originate.
@param toId   The non-empty ID of the Node/Subgraph to which the Edge should be directed.
@return The newly created Edge - or {@code null} if the Edge could not be created.
Convenience method to add and return an Edge between a Node / Subgraph and another Node / Subgraph within the immediate Statements in this Graph .