<dependency>
  <groupId>com.ibm.icu</groupId>
  <artifactId>icu4j</artifactId>
  <version>56.2</version>
</dependency>

implementation 'com.ibm.icu:icu4j:56.2'

implementation("com.ibm.icu:icu4j:56.2")

libraryDependencies += "com.ibm.icu" % "icu4j" % "56.2"

@Grapes(
  @Grab(group='com.ibm.icu', module='icu4j', version='56.2')
)

<dependency org="com.ibm.icu" name="icu4j" rev="56.2" />

[com.ibm.icu/icu4j "56.2"]

'com.ibm.icu:icu4j:jar:56.2'