# Hierarchy For Package io.vertx.rxjava3.ext.web.handler.graphql.ws

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - io.vertx.rxjava3.ext.web.handler.graphql.ws.GraphQLWSHandler (implements io.vertx.core.Handler<E>, io.vertx.rxjava3.ext.web.handler.ProtocolUpgradeHandler)
  - io.vertx.rxjava3.ext.web.handler.graphql.ws.GraphQLWSHandlerBuilder
  - io.vertx.rxjava3.ext.web.handler.graphql.ws.Message
  - io.vertx.rxjava3.core.Promise<T>
    - io.vertx.rxjava3.ext.web.handler.graphql.ws.ConnectionInitEvent

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