Basic GraphQL client capable of preparing queries, mutations, and subscriptions for execution.
The address of the GraphQL server.
The port of the GraphQL server.
Closes any resources held by the client.
Prepare a mutation to be executed.
Prepare a query to be executed.
Returns the HTTP URL of the GraphQL endpoint.
Prepare a subscription to be executed.
Returns the URL to use for GraphQL subscriptions (often a WebSocket URL).