public SyncMapTask setJibExtension(JibExtension jibExtension) {
    this.jibExtension = jibExtension;
    return this;
  }
Prints out a map of local files to their location on the container.

<p>Expected use: {@code ./gradlew _jibSkaffoldSyncMap -q} or {@code ./gradlew
:<subproject>:_jibSkaffoldSyncMap -q}
jib-gradle-plugin/src/main/java/com/google/cloud/tools/jib/gradle/skaffold/SyncMapTask.java