* Represents an edge in Relay which is essentially a node of data T and the cursor for that node.
*
* See <a href="https://facebook.github.io/relay/graphql/connections.htm#sec-Edge-Types">https://facebook.github.io/relay/graphql/connections.htm#sec-Edge-Types</a>
*/
@PublicApi
publicinterfaceEdge<T> {
/**
* @return the node of data that this edge represents