io.vertx.ext.web.handler

## Interface ProtocolUpgradeHandler

- All Superinterfaces:
    Handler<RoutingContext>
  All Known Subinterfaces:
    ApolloWSHandler, GraphQLWSHandler

      public interface ProtocolUpgradeHandler
      extends Handler<RoutingContext>

  Base interface for handlers that perform protocol upgrades. Sub-interfaces hint vert.x core that we should hold the request. This allows later parsing. It can be available during the upgrade, even if there are asynchronous calls in between.
  Author:
    Paulo Lopes

- - ### Method Summary

    - ### Methods inherited from interface io.vertx.core.Handler

      `handle`

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