## Uses of Interface
io.vertx.reactivex.ext.web.handler.ProtocolUpgradeHandler

- Packages that use ProtocolUpgradeHandler
  Package | Description
  --- | ---
  io.vertx.reactivex.ext.web.handler |
  io.vertx.reactivex.ext.web.handler.graphql.ws |

- - ### Uses of ProtocolUpgradeHandler in io.vertx.reactivex.ext.web.handler

    Methods in io.vertx.reactivex.ext.web.handler that return ProtocolUpgradeHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `static ProtocolUpgradeHandler` | ProtocolUpgradeHandler.`newInstance​(ProtocolUpgradeHandler arg)` |

  - ### Uses of ProtocolUpgradeHandler in io.vertx.reactivex.ext.web.handler.graphql.ws

    Classes in io.vertx.reactivex.ext.web.handler.graphql.ws that implement ProtocolUpgradeHandler
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `GraphQLWSHandler` | A handler for the GraphQL over WebSocket Protocol.