this.acceptedViolationsDir = acceptedViolationsDir.asFile
    }

    Map<String, String> get() {
        if (acceptedViolations == null) {
            acceptedViolations = AcceptedApiChanges.parse(
                acceptedViolationsDir.listFiles()
                    .findAll { it.name.endsWith(".json") }
                    .collect { it.text }
            ).toAcceptedChangesMap()
        }

// It can be removed or changed to 4/5 logic (if necessary) at that point.
val groovyVersion = GroovySystem.getVersion()
val isGroovy4 = VersionNumber.parse(groovyVersion).major >= 4
val codenarcVersion = if (isGroovy4) "3.6.0-groovy-4.0" else "3.6.0"
val spockVersion = if (isGroovy4) "2.3-groovy-4.0" else "2.3-groovy-3.0"