<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-swagger-ui</artifactId>
  <version>2.3.1</version>
</dependency>

implementation 'io.springfox:springfox-swagger-ui:2.3.1'

implementation("io.springfox:springfox-swagger-ui:2.3.1")

libraryDependencies += "io.springfox" % "springfox-swagger-ui" % "2.3.1"

@Grapes(
  @Grab(group='io.springfox', module='springfox-swagger-ui', version='2.3.1')
)

<dependency org="io.springfox" name="springfox-swagger-ui" rev="2.3.1" />

[io.springfox/springfox-swagger-ui "2.3.1"]

'io.springfox:springfox-swagger-ui:jar:2.3.1'