<dependency>
  <groupId>com.formdev</groupId>
  <artifactId>flatlaf-swingx</artifactId>
  <version>3.1.1</version>
</dependency>

implementation 'com.formdev:flatlaf-swingx:3.1.1'

implementation("com.formdev:flatlaf-swingx:3.1.1")

libraryDependencies += "com.formdev" % "flatlaf-swingx" % "3.1.1"

@Grapes(
  @Grab(group='com.formdev', module='flatlaf-swingx', version='3.1.1')
)

<dependency org="com.formdev" name="flatlaf-swingx" rev="3.1.1" />

[com.formdev/flatlaf-swingx "3.1.1"]

'com.formdev:flatlaf-swingx:jar:3.1.1'