<dependency>
  <groupId>com.github.npathai</groupId>
  <artifactId>hamcrest-optional</artifactId>
  <version>2.0.0</version>
</dependency>

implementation 'com.github.npathai:hamcrest-optional:2.0.0'

implementation("com.github.npathai:hamcrest-optional:2.0.0")

libraryDependencies += "com.github.npathai" % "hamcrest-optional" % "2.0.0"

@Grapes(
  @Grab(group='com.github.npathai', module='hamcrest-optional', version='2.0.0')
)

<dependency org="com.github.npathai" name="hamcrest-optional" rev="2.0.0" />

[com.github.npathai/hamcrest-optional "2.0.0"]

'com.github.npathai:hamcrest-optional:jar:2.0.0'