## Uses of Interface
io.vertx.core.MultiMap

- Packages that use MultiMap
  Package | Description
  --- | ---
  io.vertx.core |
  io.vertx.core.eventbus |
  io.vertx.core.http |
  io.vertx.ext.auth.oauth2 |
  io.vertx.ext.mail |
  io.vertx.ext.web |
  io.vertx.ext.web.api |
  io.vertx.ext.web.client |
  io.vertx.ext.web.handler.graphql |
  io.vertx.ext.web.handler.sockjs |
  io.vertx.reactivex.core |
  io.vertx.rxjava.core |

- - ### Uses of MultiMap in io.vertx.core

    Methods in io.vertx.core that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | MultiMap.`add(CharSequence name, CharSequence value)` Like `add(String, String)` but accepting `CharSequence` as parameters
    `MultiMap` | MultiMap.`add(CharSequence name, Iterable<CharSequence> values)` Like `add(String, Iterable)` but accepting `CharSequence` as parameters
    `MultiMap` | MultiMap.`add(String name, Iterable<String> values)` Adds a new values under the specified name
    `MultiMap` | MultiMap.`add(String name, String value)` Adds a new value with the specified name and value.
    `MultiMap` | MultiMap.`addAll(Map<String,String> headers)` Adds all the entries from a Map to this
    `MultiMap` | MultiMap.`addAll(MultiMap map)` Adds all the entries from another MultiMap to this one
    `static MultiMap` | MultiMap.`caseInsensitiveMultiMap()` Create a multi-map implementation with case insensitive keys, for instance it can be used to hold some HTTP headers.
    `MultiMap` | MultiMap.`clear()` Removes all
    `MultiMap` | MultiMap.`remove(CharSequence name)` Like `remove(String)` but accepting `CharSequence` as parameters
    `MultiMap` | MultiMap.`remove(String name)` Removes the value with the given name
    `MultiMap` | MultiMap.`set(CharSequence name, CharSequence value)` Like `set(String, String)` but accepting `CharSequence` as parameters
    `MultiMap` | MultiMap.`set(CharSequence name, Iterable<CharSequence> values)` Like `set(String, Iterable)` but accepting `CharSequence` as parameters
    `MultiMap` | MultiMap.`set(String name, Iterable<String> values)` Sets values for the specified name.
    `MultiMap` | MultiMap.`set(String name, String value)` Sets a value under the specified name.
    `MultiMap` | MultiMap.`setAll(Map<String,String> headers)` Cleans and set all values of the given instance
    `MultiMap` | MultiMap.`setAll(MultiMap map)` Cleans this instance.

    Methods in io.vertx.core with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | MultiMap.`addAll(MultiMap map)` Adds all the entries from another MultiMap to this one
    `MultiMap` | MultiMap.`setAll(MultiMap map)` Cleans this instance.

  - ### Uses of MultiMap in io.vertx.core.eventbus

    Methods in io.vertx.core.eventbus that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | DeliveryOptions.`getHeaders()` Get the message headers
    `MultiMap` | Message.`headers()` Multi-map of message headers.

    Methods in io.vertx.core.eventbus with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `DeliveryOptions` | DeliveryOptions.`setHeaders(MultiMap headers)` Set message headers from a multi-map.

  - ### Uses of MultiMap in io.vertx.core.http

    Classes in io.vertx.core.http that implement MultiMap
    Modifier and Type | Class and Description
    --- | ---
    `class` | `CaseInsensitiveHeaders` This multi-map implementation has case insensitive keys, and can be used to hold some HTTP headers prior to making an HTTP request.

    Methods in io.vertx.core.http that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | CaseInsensitiveHeaders.`add(CharSequence name, CharSequence value)`
    `MultiMap` | CaseInsensitiveHeaders.`add(CharSequence name, Iterable<CharSequence> values)`
    `MultiMap` | CaseInsensitiveHeaders.`add(String name, Iterable<String> values)`
    `MultiMap` | CaseInsensitiveHeaders.`add(String name, String strVal)`
    `MultiMap` | CaseInsensitiveHeaders.`addAll(Map<String,String> map)`
    `MultiMap` | CaseInsensitiveHeaders.`addAll(MultiMap headers)`
    `MultiMap` | CaseInsensitiveHeaders.`clear()`
    `MultiMap` | HttpServerRequest.`formAttributes()` Returns a map of all form attributes in the request.
    `MultiMap` | RequestOptions.`getHeaders()` Get the request headers
    `MultiMap` | HttpClientResponse.`headers()`
    `MultiMap` | HttpServerResponse.`headers()`
    `MultiMap` | ServerWebSocket.`headers()`
    `MultiMap` | HttpClientRequest.`headers()`
    `MultiMap` | HttpServerRequest.`headers()`
    `MultiMap` | HttpServerRequest.`params()`
    `MultiMap` | CaseInsensitiveHeaders.`remove(CharSequence name)`
    `MultiMap` | CaseInsensitiveHeaders.`remove(String name)`
    `MultiMap` | CaseInsensitiveHeaders.`set(CharSequence name, CharSequence value)`
    `MultiMap` | CaseInsensitiveHeaders.`set(CharSequence name, Iterable<CharSequence> values)`
    `MultiMap` | CaseInsensitiveHeaders.`set(String name, Iterable<String> values)`
    `MultiMap` | CaseInsensitiveHeaders.`set(String name, String strVal)`
    `MultiMap` | CaseInsensitiveHeaders.`setAll(Map<String,String> headers)`
    `MultiMap` | CaseInsensitiveHeaders.`setAll(MultiMap headers)`
    `MultiMap` | HttpClientResponse.`trailers()`
    `MultiMap` | HttpServerResponse.`trailers()`

    Methods in io.vertx.core.http with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | CaseInsensitiveHeaders.`addAll(MultiMap headers)`
    `HttpServerResponse` | HttpServerResponse.`push(HttpMethod method, String path, MultiMap headers, Handler<AsyncResult<HttpServerResponse>> handler)` Like `HttpServerResponse.push(HttpMethod, String, String, MultiMap, Handler)` with the host copied from the current request.
    `HttpServerResponse` | HttpServerResponse.`push(HttpMethod method, String host, String path, MultiMap headers, Handler<AsyncResult<HttpServerResponse>> handler)` Push a response to the client. The `handler` will be notified with a success when the push can be sent and with a failure when the client has disabled push or reset the push before it has been sent. The `handler` may be queued if the client has reduced the maximum number of streams the server can push concurrently. Push can be sent only for peer initiated streams and if the response is not ended.
    `MultiMap` | CaseInsensitiveHeaders.`setAll(MultiMap headers)`
    `WebSocketConnectOptions` | WebSocketConnectOptions.`setHeaders(MultiMap headers)`
    `RequestOptions` | RequestOptions.`setHeaders(MultiMap headers)` Set request headers from a multi-map.
    `HttpClient` | HttpClient.`websocket(int port, String host, String requestURI, MultiMap headers, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(int port, String host, String requestURI, MultiMap headers, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(int port, String host, String requestURI, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(int port, String host, String requestURI, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(int port, String host, String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(int port, String host, String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(RequestOptions options, MultiMap headers, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(RequestOptions options, MultiMap headers, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(RequestOptions options, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(RequestOptions options, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(RequestOptions options, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(RequestOptions options, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String requestURI, MultiMap headers, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String requestURI, MultiMap headers, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String requestURI, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String requestURI, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String host, String requestURI, MultiMap headers, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String host, String requestURI, MultiMap headers, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String host, String requestURI, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String host, String requestURI, MultiMap headers, WebsocketVersion version, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String host, String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `HttpClient` | HttpClient.`websocket(String host, String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `void` | HttpClient.`webSocketAbs(String url, MultiMap headers, WebsocketVersion version, List<String> subProtocols, Handler<AsyncResult<WebSocket>> handler)` Connect a WebSocket with the specified absolute url, with the specified headers, using the specified version of WebSockets, and the specified websocket sub protocols.
    `HttpClient` | HttpClient.`websocketAbs(String url, MultiMap headers, WebsocketVersion version, String subProtocols, Handler<WebSocket> wsConnect, Handler<Throwable> failureHandler)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(int port, String host, String requestURI, MultiMap headers)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(int port, String host, String requestURI, MultiMap headers, WebsocketVersion version)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(int port, String host, String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(RequestOptions options, MultiMap headers)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(RequestOptions options, MultiMap headers, WebsocketVersion version)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(RequestOptions options, MultiMap headers, WebsocketVersion version, String subProtocols)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(String requestURI, MultiMap headers)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(String requestURI, MultiMap headers, WebsocketVersion version)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(String host, String requestURI, MultiMap headers)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(String host, String requestURI, MultiMap headers, WebsocketVersion version)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStream(String host, String requestURI, MultiMap headers, WebsocketVersion version, String subProtocols)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead
    `ReadStream<WebSocket>` | HttpClient.`websocketStreamAbs(String url, MultiMap headers, WebsocketVersion version, String subProtocols)` Deprecated. use `HttpClient.webSocket(WebSocketConnectOptions, Handler)` instead

  - ### Uses of MultiMap in io.vertx.ext.auth.oauth2

    Methods in io.vertx.ext.auth.oauth2 that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | OAuth2Response.`headers()` The HTTP response headers from the HTTP layer.

  - ### Uses of MultiMap in io.vertx.ext.mail

    Methods in io.vertx.ext.mail that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | MailAttachment.`getHeaders()` Get the headers to be added for this attachment.
    `MultiMap` | MailMessage.`getHeaders()` Get the headers.

    Methods in io.vertx.ext.mail with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MailAttachment` | MailAttachment.`setHeaders(MultiMap headers)` Set the headers to be added for this attachment.
    `MailMessage` | MailMessage.`setHeaders(MultiMap headers)` Set the headers.

  - ### Uses of MultiMap in io.vertx.ext.web

    Methods in io.vertx.ext.web that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | RoutingContext.`queryParams()` Returns a map of all query parameters inside the query string The query parameters are lazily decoded: the decoding happens on the first time this method is called.

  - ### Uses of MultiMap in io.vertx.ext.web.api

    Methods in io.vertx.ext.web.api that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | OperationRequest.`getHeaders()` Get request headers
    `MultiMap` | OperationResponse.`getHeaders()`

    Methods in io.vertx.ext.web.api with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `OperationRequest` | OperationRequest.`setHeaders(MultiMap headers)`
    `OperationResponse` | OperationResponse.`setHeaders(MultiMap headers)`

    Constructors in io.vertx.ext.web.api with parameters of type MultiMap
    Constructor and Description
    `OperationRequest(JsonObject params, MultiMap headers, JsonObject user, JsonObject extra)`
    `OperationResponse(Integer statusCode, String statusMessage, Buffer payload, MultiMap headers)`

  - ### Uses of MultiMap in io.vertx.ext.web.client

    Methods in io.vertx.ext.web.client that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | HttpRequest.`headers()`
    `MultiMap` | HttpResponse.`headers()`
    `MultiMap` | HttpRequest.`queryParams()` Return the current query parameters.
    `MultiMap` | HttpResponse.`trailers()`

    Methods in io.vertx.ext.web.client with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `HttpRequest<T>` | HttpRequest.`putHeaders(MultiMap headers)` Configure the request to add multiple HTTP headers .
    `void` | HttpRequest.`sendForm(MultiMap body, Handler<AsyncResult<HttpResponse<T>>> handler)` Like `HttpRequest.send(Handler)` but with an HTTP request `body` multimap encoded as form and the content type set to `application/x-www-form-urlencoded`.

  - ### Uses of MultiMap in io.vertx.ext.web.handler.graphql

    Method parameters in io.vertx.ext.web.handler.graphql with type arguments of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `GraphiQLHandler` | GraphiQLHandler.`graphiQLRequestHeaders(java.util.function.Function<RoutingContext,MultiMap> factory)` Customize the HTTP headers to add to GraphQL requests sent by the GraphiQL user interface.

  - ### Uses of MultiMap in io.vertx.ext.web.handler.sockjs

    Methods in io.vertx.ext.web.handler.sockjs that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | SockJSSocket.`headers()` Return the headers corresponding to the last request for this socket or the websocket handshake Any cookie headers will be removed for security reasons

  - ### Uses of MultiMap in io.vertx.reactivex.core

    Methods in io.vertx.reactivex.core that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | MultiMap.`getDelegate()`

    Methods in io.vertx.reactivex.core with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `static MultiMap` | MultiMap.`newInstance(MultiMap arg)`

    Constructors in io.vertx.reactivex.core with parameters of type MultiMap
    Constructor and Description
    `MultiMap(MultiMap delegate)`

  - ### Uses of MultiMap in io.vertx.rxjava.core

    Methods in io.vertx.rxjava.core that return MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `MultiMap` | MultiMap.`getDelegate()`

    Methods in io.vertx.rxjava.core with parameters of type MultiMap
    Modifier and Type | Method and Description
    --- | ---
    `static MultiMap` | MultiMap.`newInstance(MultiMap arg)`

    Constructors in io.vertx.rxjava.core with parameters of type MultiMap
    Constructor and Description
    `MultiMap(MultiMap delegate)`

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