### Retrofit service method example

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-response-type-keeper/README.md

A standard Retrofit service method definition that may be subject to R8 type removal if the return type is not referenced elsewhere.

```java
@GET("users/{id}")
Call<User> getUser(
  @Path("id") String id);
```

--------------------------------

### Generated keep rule example

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-response-type-keeper/README.md

The resulting keep rule generated by the annotation processor for the User type.

```text
-keep com.example.User
```

--------------------------------

### Nested generics keep rules

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-response-type-keeper/README.md

Example of generated keep rules for nested generic types like Call<ApiResponse<User>>.

```text
-keep com.example.ApiResponse
-keep com.example.User
```

--------------------------------

### Tag release version

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/RELEASING.md

Create a git tag for the new release version.

```bash
$ git tag -am "Version X.Y.Z" X.Y.Z
```

--------------------------------

### Create Retrofit Instance

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/index.md

Configures the Retrofit builder with a base URL and creates an implementation of the service interface.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://api.github.com")
    .build();

GitHubService service = retrofit.create(GitHubService.class);
```

--------------------------------

### Configure Retrofit with GsonConverterFactory

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/README.md

Demonstrates how to add a converter factory to a Retrofit instance during the build process.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://api.example.com")
    .addConverterFactory(GsonConverterFactory.create())
    .build();
```

--------------------------------

### Add Dependency via Maven or Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava3/README.md

Include the adapter library in your project using Maven or Gradle build systems.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>adapter-rxjava3</artifactId>
  <version>latest.version</version>
</dependency>
```

```groovy
implementation 'com.squareup.retrofit2:adapter-rxjava3:latest.version'
```

--------------------------------

### Define Service Method with ListenableFuture

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/guava/README.md

Service methods can now return ListenableFuture after the adapter is configured.

```java
interface MyService {
  @GET("/user")
  ListenableFuture<User> getUser();
}
```

--------------------------------

### Configure Retrofit with kotlinx.serialization

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/kotlinx-serialization/README.md

Use Json.asConverterFactory to create a converter factory for Retrofit, specifying the MediaType for the Content-Type header.

```kotlin
val retrofit = Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addConverterFactory(
        Json.asConverterFactory(
            "application/json; charset=UTF8".toMediaType()))
    .build()
```

--------------------------------

### Configure Retrofit with RxJavaCallAdapterFactory

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava/README.md

Add the RxJavaCallAdapterFactory to your Retrofit instance during the build process.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
    .build();
```

--------------------------------

### Configure Retrofit with RxJavaCallAdapterFactory

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/README.md

Add an adapter factory to the Retrofit builder to support alternative execution mechanisms like RxJava.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://api.example.com")
    .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
    .build();
```

--------------------------------

### Execute API Call

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/index.md

Initiates a network request using the generated service method.

```java
Call<List<Repo>> repos = service.listRepos("octocat");
```

--------------------------------

### Push release and tags

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/RELEASING.md

Push commits and tags to the remote repository to trigger the GitHub Action workflow for release artifact deployment.

```bash
$ git push && git push --tags
```

--------------------------------

### Gradle dependency configuration

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-response-type-keeper/README.md

Configuration for adding the annotation processor to Java or Kotlin Gradle projects.

```groovy
annotationProcessor 'com.squareup.retrofit2:response-type-keeper:<version>'
```

```groovy
kapt 'com.squareup.retrofit2:response-type-keeper:<version>'
```

--------------------------------

### RxJava3CallAdapterFactory.create()

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava3/README.md

Creates a call adapter factory that executes HTTP requests asynchronously on a background thread by default.

```APIDOC
## RxJava3CallAdapterFactory.create()

### Description
Creates an instance of the RxJava3CallAdapterFactory to be added to the Retrofit builder. Requests are executed on a background thread by default.

### Usage
```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(RxJava3CallAdapterFactory.create())
    .build();
```
```

--------------------------------

### Commit next development version

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/RELEASING.md

Commit the update to the gradle.properties file to set the next snapshot version.

```bash
$ git commit -am "Prepare next development version"
```

--------------------------------

### Define Service Method with Future

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/scala/README.md

Service methods can now use Future as their return type after configuring the adapter.

```java
interface MyService {
  @GET("/user")
  Future<User> getUser();
}
```

--------------------------------

### RxJava2CallAdapterFactory.createAsync()

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava2/README.md

Creates a call adapter factory that executes requests asynchronously using OkHttp's internal thread pool.

```APIDOC
## RxJava2CallAdapterFactory.createAsync()

### Description
Creates a call adapter factory that uses OkHttp's internal thread pool for request execution, ensuring requests are performed asynchronously by default.
```

--------------------------------

### Add Dependency via Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava/README.md

Include the adapter-rxjava dependency in your Gradle project.

```groovy
implementation 'com.squareup.retrofit2:adapter-rxjava:latest.version'
```

--------------------------------

### Add Dependency via Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava2/README.md

Include the adapter-rxjava2 dependency in your Gradle build file.

```groovy
implementation 'com.squareup.retrofit2:adapter-rxjava2:latest.version'
```

--------------------------------

### Add Gradle dependency

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/kotlinx-serialization/README.md

Include the converter-kotlinx-serialization dependency in your Gradle project.

```groovy
implementation 'com.squareup.retrofit2:converter-kotlinx-serialization:latest.version'
```

--------------------------------

### Add Gradle dependency for converter-simplexml

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/simplexml/README.md

Include this implementation line in your Gradle build file to use the Simple XML converter.

```groovy
implementation 'com.squareup.retrofit2:converter-simplexml:latest.version'
```

--------------------------------

### Gradle Dependency for retrofit-mock

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-mock/README.md

Add this implementation line to your Gradle build file to include the retrofit-mock library.

```groovy
implementation 'com.squareup.retrofit2:retrofit-mock:see.latest.version'
```

--------------------------------

### RxJava3CallAdapterFactory.createWithScheduler(Scheduler)

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava3/README.md

Creates a call adapter factory that uses the provided Scheduler for subscription.

```APIDOC
## RxJava3CallAdapterFactory.createWithScheduler(Scheduler scheduler)

### Description
Creates an instance of the factory that uses the specified Scheduler for request execution.
```

--------------------------------

### Gradle Dependency for converter-protobuf

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/protobuf/README.md

Add this implementation line to your Gradle build file to use the Protocol Buffer converter.

```groovy
implementation 'com.squareup.retrofit2:converter-protobuf:latest.version'
```

--------------------------------

### Add Dependency via Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava/README.md

Include the adapter-rxjava dependency in your Maven project.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>adapter-rxjava</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add Gradle Dependency

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/guava/README.md

Include the adapter-guava dependency in your Gradle project.

```groovy
implementation 'com.squareup.retrofit2:adapter-guava:latest.version'
```

--------------------------------

### Add Guava Converter dependency with Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/guava/README.md

Include this implementation line in your build.gradle file to use the Guava converter with Gradle.

```groovy
implementation 'com.squareup.retrofit2:converter-guava:latest.version'
```

--------------------------------

### Add Retrofit dependency with Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/download.mdx

Use this implementation line in your build.gradle file to include the Retrofit library.

```kotlin
implementation("com.squareup.retrofit2:retrofit:3.0.0")
```

--------------------------------

### Gradle Dependency for Moshi Converter

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/moshi/README.md

Add this implementation line to your Gradle build file to include the Moshi converter.

```groovy
implementation 'com.squareup.retrofit2:converter-moshi:latest.version'
```

--------------------------------

### RxJava2CallAdapterFactory.create()

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava2/README.md

Registers the RxJava2 adapter with the Retrofit instance to enable reactive return types.

```APIDOC
## RxJava2CallAdapterFactory.create()

### Description
Creates a call adapter factory for RxJava 2.x types. This should be added to the Retrofit.Builder using addCallAdapterFactory().

### Usage
```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
    .build();
```
```

--------------------------------

### Define GitHubService Interface

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/index.md

Defines a service interface using Retrofit annotations to specify the HTTP method and URL path.

```java
public interface GitHubService {
  @GET("users/{user}/repos")
  Call<List<Repo>> listRepos(@Path("user") String user);
}
```

--------------------------------

### Static Query Parameters

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Specifies static query parameters directly within the relative URL string.

```java
@GET("users/list?sort=desc")
```

--------------------------------

### Add Dependency via Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava2/README.md

Include the adapter-rxjava2 dependency in your Maven project configuration.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>adapter-rxjava2</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### RxJava2CallAdapterFactory.createWithScheduler(Scheduler)

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava2/README.md

Creates a call adapter factory that uses a provided Scheduler for subscription execution.

```APIDOC
## RxJava2CallAdapterFactory.createWithScheduler(Scheduler)

### Description
Creates a call adapter factory that uses the specified Scheduler for subscription execution, allowing control over the threading of requests.
```

--------------------------------

### Dynamic Path Parameters

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Updates the request URL dynamically using replacement blocks matched with @Path parameters.

```java
@GET("group/{id}/users")
Call<List<User>> groupList(@Path("id") int groupId);
```

--------------------------------

### Maven Dependency for retrofit-mock

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-mock/README.md

Add this dependency to your Maven project to include the retrofit-mock library.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>retrofit-mock</artifactId>
  <version>see.latest.version</version>
</dependency>
```

--------------------------------

### Gradle Dependency for Wire Converter

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/wire/README.md

Add this implementation line to your Gradle build file to use the Wire converter.

```groovy
implementation 'com.squareup.retrofit2:converter-wire:latest.version'
```

--------------------------------

### Maven Dependency for converter-protobuf

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/protobuf/README.md

Add this dependency to your Maven project to use the Protocol Buffer converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-protobuf</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add RxJava3CallAdapterFactory to Retrofit

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava3/README.md

Configure the Retrofit instance by adding the RxJava3CallAdapterFactory to the builder.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(RxJava3CallAdapterFactory.create())
    .build();
```

--------------------------------

### Add Jackson Converter Gradle Dependency

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/jackson/README.md

Include this implementation line in your Gradle build file to use the Jackson converter.

```groovy
implementation 'com.squareup.retrofit2:converter-jackson:latest.version'
```

--------------------------------

### Add Maven Dependency

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/guava/README.md

Include the adapter-guava dependency in your Maven project.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>adapter-guava</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add Dependency via Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/scala/README.md

Include the adapter-scala dependency in your Gradle build file.

```groovy
implementation 'com.squareup.retrofit2:adapter-scala:latest.version'
```

--------------------------------

### Add Maven dependency

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/kotlinx-serialization/README.md

Include the converter-kotlinx-serialization dependency in your Maven project.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-kotlinx-serialization</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add Retrofit dependency with Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/download.mdx

Include this dependency block in your pom.xml file to add Retrofit to your project.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>retrofit</artifactId>
  <version>3.0.0</version>
</dependency>
```

--------------------------------

### RxJava3CallAdapterFactory.createSynchronous()

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava3/README.md

Creates a call adapter factory where requests are not automatically scheduled on a background thread, allowing manual control via subscribeOn.

```APIDOC
## RxJava3CallAdapterFactory.createSynchronous()

### Description
Creates an instance of the factory that does not force background threading. Use this when you want to manually control the Scheduler using subscribeOn on the returned reactive type.
```

--------------------------------

### Add JAXB Converter dependency via Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/jaxb/README.md

Include this implementation line in your Gradle build file to use the JAXB converter.

```groovy
implementation 'com.squareup.retrofit2:converter-jaxb:latest.version'
```

--------------------------------

### Add Gson Converter Dependency via Gradle

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/gson/README.md

Include this implementation line in your Gradle build file to use the Gson converter.

```groovy
implementation 'com.squareup.retrofit2:converter-gson:latest.version'
```

--------------------------------

### Map-based Headers

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Uses a Map for complex header combinations with the @HeaderMap annotation.

```java
@GET("user")
Call<User> getUser(@HeaderMap Map<String, String> headers)
```

--------------------------------

### Multipart Requests

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Sends multipart data using @Multipart and @Part annotations.

```java
@Multipart
@PUT("user/photo")
Call<User> updateUser(@Part("photo") RequestBody photo, @Part("description") RequestBody description);
```

--------------------------------

### Define Service Method with Observable

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava/README.md

Use RxJava types like Observable as return types in your service interface methods.

```java
interface MyService {
  @GET("/user")
  Observable<User> getUser();
}
```

--------------------------------

### Commit release version

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/RELEASING.md

Commit the changes made to version numbers and changelogs using the specified message format.

```bash
$ git commit -am "Prepare version X.Y.Z"
```

--------------------------------

### Register GuavaCallAdapterFactory

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/guava/README.md

Add the GuavaCallAdapterFactory to your Retrofit instance during the build process.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(GuavaCallAdapterFactory.create())
    .build();
```

--------------------------------

### Maven Dependency for Wire Converter

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/wire/README.md

Add this dependency to your Maven project to use the Wire converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-wire</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Map-based Query Parameters

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Uses a Map for complex query parameter combinations with the @QueryMap annotation.

```java
@GET("group/{id}/users")
Call<List<User>> groupList(@Path("id") int groupId, @QueryMap Map<String, String> options);
```

--------------------------------

### Static Headers

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Sets static headers for a method using the @Headers annotation.

```java
@Headers("Cache-Control: max-age=640000")
@GET("widget/list")
Call<List<Widget>> widgetList();
```

```java
@Headers({
"Accept: application/vnd.github.v3.full+json",
"User-Agent: Retrofit-Sample-App"
})
@GET("users/{username}")
Call<User> getUser(@Path("username") String username);
```

--------------------------------

### HTTP Request Method Annotation

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Defines the request method and relative URL for an interface method.

```java
@GET("users/list")
```

--------------------------------

### Dynamic Query Parameters

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Adds dynamic query parameters to the request URL using the @Query annotation.

```java
@GET("group/{id}/users")
Call<List<User>> groupList(@Path("id") int groupId, @Query("sort") String sort);
```

--------------------------------

### Maven Dependency for Moshi Converter

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/moshi/README.md

Add this dependency to your Maven project to include the Moshi converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-moshi</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add Maven dependency for converter-simplexml

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/simplexml/README.md

Include this dependency in your Maven project to use the Simple XML converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-simplexml</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add Dependency via Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/scala/README.md

Include the adapter-scala dependency in your Maven project configuration.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>adapter-scala</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add Guava Converter dependency with Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/guava/README.md

Include this dependency in your pom.xml file to use the Guava converter with Maven.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-guava</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Gradle Dependency for Scalars Converter

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/scalars/README.md

Add this implementation line to your Gradle build file to include the Scalars Converter.

```groovy
implementation 'com.squareup.retrofit2:converter-scalars:latest.version'
```

--------------------------------

### Add Jackson Converter Maven Dependency

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/jackson/README.md

Include this dependency in your Maven project to use the Jackson converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-jackson</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Register ScalaCallAdapterFactory in Retrofit

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/scala/README.md

Add the ScalaCallAdapterFactory to your Retrofit instance builder to enable Scala Future support.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(ScalaCallAdapterFactory.create())
    .build();
```

--------------------------------

### Add Gson Converter Dependency via Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/gson/README.md

Include this dependency in your Maven project to use the Gson converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-gson</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Add JAXB Converter dependency via Maven

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/jaxb/README.md

Include this dependency in your Maven project to use the JAXB converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-jaxb</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Dynamic Header

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Updates a request header dynamically using the @Header annotation.

```java
@GET("user")
Call<User> getUser(@Header("Authorization") String authorization)
```

--------------------------------

### Kotlin Suspend Function Returning Response

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Kotlin suspend function that returns a Response object.

```kotlin
@GET("users")
suspend fun getUser(): Response<User>
```

--------------------------------

### Kotlin Suspend Function Returning Body

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Kotlin suspend function that returns the body directly, throwing an HttpException on non-2XX status.

```kotlin
@GET("users")
suspend fun getUser(): User
```

--------------------------------

### Register RxJava2CallAdapterFactory in Retrofit

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-adapters/rxjava2/README.md

Add the RxJava2CallAdapterFactory to the Retrofit builder to enable support for RxJava 2 types.

```java
Retrofit retrofit = new Retrofit.Builder()
    .baseUrl("https://example.com/")
    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
    .build();
```

--------------------------------

### Request Body Annotation

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Specifies an object to be used as the HTTP request body using the @Body annotation.

```java
@POST("users/new")
Call<User> createUser(@Body User user);
```

--------------------------------

### Maven Dependency for Scalars Converter

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/retrofit-converters/scalars/README.md

Add this dependency to your Maven project to include the Scalars Converter.

```xml
<dependency>
  <groupId>com.squareup.retrofit2</groupId>
  <artifactId>converter-scalars</artifactId>
  <version>latest.version</version>
</dependency>
```

--------------------------------

### Form-Encoded Data

Source: https://github.com/lysine-dev/retrofit/blob/3.0.0/website/src/content/docs/declarations.md

Sends form-encoded data using @FormUrlEncoded and @Field annotations.

```java
@FormUrlEncoded
@POST("user/edit")
Call<User> updateUser(@Field("first_name") String first, @Field("last_name") String last);
```

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