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

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - io.vertx.ext.web.handler.graphql.ws.GraphQLWSOptions
  - io.vertx.ext.web.handler.graphql.ws.GraphQLWSOptionsConverter

## Interface Hierarchy

- io.vertx.ext.web.handler.graphql.ws.GraphQLWSHandlerBuilder
- io.vertx.core.Handler<E>
  - io.vertx.core.Promise<T>
    - io.vertx.ext.web.handler.graphql.ws.ConnectionInitEvent
  - io.vertx.ext.web.handler.ProtocolUpgradeHandler
    - io.vertx.ext.web.handler.graphql.ws.GraphQLWSHandler
- io.vertx.ext.web.handler.graphql.ws.Message

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - io.vertx.ext.web.handler.graphql.ws.MessageType

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