JAPI-Checker reference test artifact

<!-- https://jarcasting.com/artifacts/com.googlecode.japi-checker/reference-test-jar/ -->
<dependency>
    <groupId>com.googlecode.japi-checker</groupId>
    <artifactId>reference-test-jar</artifactId>
    <version>0.2.0</version>
</dependency>

// https://jarcasting.com/artifacts/com.googlecode.japi-checker/reference-test-jar/
implementation 'com.googlecode.japi-checker:reference-test-jar:0.2.0'

// https://jarcasting.com/artifacts/com.googlecode.japi-checker/reference-test-jar/
implementation ("com.googlecode.japi-checker:reference-test-jar:0.2.0")

'com.googlecode.japi-checker:reference-test-jar:jar:0.2.0'

<dependency org="com.googlecode.japi-checker" name="reference-test-jar" rev="0.2.0">
  <artifact name="reference-test-jar" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.googlecode.japi-checker', module='reference-test-jar', version='0.2.0')
)

libraryDependencies += "com.googlecode.japi-checker" % "reference-test-jar" % "0.2.0"

[com.googlecode.japi-checker/reference-test-jar "0.2.0"]