BuildMetadataMiddleware builds the metadata middleware chain.

BuildPublishMiddleware builds the publish middleware chain.

BuildPullMiddleware builds the pull middleware chain.

BuildPushMiddleware builds the push middleware chain.

BuildStreamMiddleware builds the stream middleware chain.

BuildSubscribeMiddleware builds the subscribe middleware chain.

HandleMetadata handles the metadata middleware chain.

HandlePublish handles the publish middleware chain.

HandlePull handles the pull middleware chain.

HandlePush handles the push middleware chain.

HandleStream handles the stream middleware chain.

HandleSubscribe handles the subscribe middleware chain.

RegisterMetadataMiddleware adds a metadata middleware.

RegisterPublishMiddleware adds a publish middleware.

RegisterPullMiddleware adds a pull middleware.

RegisterPushMiddleware adds a push middleware.

RegisterStreamMiddleware adds a stream middleware.

RegisterSubscribeMiddleware adds a subscribe middleware.

MiddlewareChain manages a chain of middleware.

MiddlewareFunc defines a generic middleware function.

stage defines a middleware stage.