<dependency>
  <groupId>com.hivemq</groupId>
  <artifactId>hivemq-extension-sdk</artifactId>
  <version>4.21.0</version>
</dependency>

implementation 'com.hivemq:hivemq-extension-sdk:4.21.0'

implementation("com.hivemq:hivemq-extension-sdk:4.21.0")

libraryDependencies += "com.hivemq" % "hivemq-extension-sdk" % "4.21.0"

@Grapes(
  @Grab(group='com.hivemq', module='hivemq-extension-sdk', version='4.21.0')
)

<dependency org="com.hivemq" name="hivemq-extension-sdk" rev="4.21.0" />

[com.hivemq/hivemq-extension-sdk "4.21.0"]

'com.hivemq:hivemq-extension-sdk:jar:4.21.0'