<dependency>
  <groupId>org.eclipse.jdt.core.compiler</groupId>
  <artifactId>ecj</artifactId>
  <version>3.7</version>
</dependency>

implementation 'org.eclipse.jdt.core.compiler:ecj:3.7'

implementation("org.eclipse.jdt.core.compiler:ecj:3.7")

libraryDependencies += "org.eclipse.jdt.core.compiler" % "ecj" % "3.7"

@Grapes(
  @Grab(group='org.eclipse.jdt.core.compiler', module='ecj', version='3.7')
)

<dependency org="org.eclipse.jdt.core.compiler" name="ecj" rev="3.7" />

[org.eclipse.jdt.core.compiler/ecj "3.7"]

'org.eclipse.jdt.core.compiler:ecj:jar:3.7'