<dependency>
  <groupId>concurrent</groupId>
  <artifactId>concurrent</artifactId>
  <version>1.3.4</version>
</dependency>

implementation 'concurrent:concurrent:1.3.4'

implementation("concurrent:concurrent:1.3.4")

libraryDependencies += "concurrent" % "concurrent" % "1.3.4"

@Grapes(
  @Grab(group='concurrent', module='concurrent', version='1.3.4')
)

<dependency org="concurrent" name="concurrent" rev="1.3.4" />

[concurrent/concurrent "1.3.4"]

'concurrent:concurrent:jar:1.3.4'