Backport of JSR 166 for Java 1.2 and 1.3

<!-- https://jarcasting.com/artifacts/backport-util-concurrent/backport-util-concurrent-java12/ -->
<dependency>
    <groupId>backport-util-concurrent</groupId>
    <artifactId>backport-util-concurrent-java12</artifactId>
    <version>3.1</version>
</dependency>

// https://jarcasting.com/artifacts/backport-util-concurrent/backport-util-concurrent-java12/
implementation 'backport-util-concurrent:backport-util-concurrent-java12:3.1'

// https://jarcasting.com/artifacts/backport-util-concurrent/backport-util-concurrent-java12/
implementation ("backport-util-concurrent:backport-util-concurrent-java12:3.1")

'backport-util-concurrent:backport-util-concurrent-java12:jar:3.1'

<dependency org="backport-util-concurrent" name="backport-util-concurrent-java12" rev="3.1">
  <artifact name="backport-util-concurrent-java12" type="jar" />
</dependency>

@Grapes(
@Grab(group='backport-util-concurrent', module='backport-util-concurrent-java12', version='3.1')
)

libraryDependencies += "backport-util-concurrent" % "backport-util-concurrent-java12" % "3.1"

[backport-util-concurrent/backport-util-concurrent-java12 "3.1"]