}

    Violation maybeViolation(final JApiCompatibility member) {
        if (!(member instanceof JApiClass)) {
            return null
        }

        if (!changed(member)) {
            return null
        }

        Optional<CtClass> oldClass = member.oldClass
        Optional<CtClass> newClass = member.newClass
        if (!oldClass.isPresent() || !newClass.isPresent()) {

                        "member": "Method org.gradle.api.plugins.quality.Checkstyle.getInstantiator()",
                        "changes": ["Method has been removed"],
                        "acceptation": "use ObjectFactory instead"
                    },
                    {
                        "type": "org.gradle.api.plugins.quality.CodeNarc",

        if (member instanceof JApiClass) {
            return isIncubatingClass((JApiClass) member)
        }
        if (member instanceof JApiMethod) {
            return isIncubatingOrOverrideMethod((JApiMethod) member)
        }
        if (member instanceof JApiField) {
            return isIncubatingField((JApiField) member)
        }
        if (member instanceof JApiConstructor) {

import groovy.transform.Immutable
import groovy.transform.ToString

@Immutable @ToString
class AcceptedApiChange {
    String type
    String member
    String acceptation
    List<String> changes

    ApiChange toApiChange() {
        return new ApiChange(type, member, changes ?: [])
    }

                    // with the sort used by AbstractAcceptedApiChangesMaintenanceTask.
                    result.acceptedApiChanges.sort((a, b) => { 
                        if ((a.type +'#' + a.member) > (b.type + '#' + b.member)) {
                            return 1; 
                        } else {
                            return -1;
                        }
                    });

        super(params)
    }

    @Override
    Violation maybeViolation(JApiCompatibility member) {

        if (isNewOrRemoved(member) || !(member instanceof JApiMethod)) {
            return null
        }

        JApiMethod method = (JApiMethod) member

        def metadata = KotlinMetadataQueries.INSTANCE

        def oldMethod = method.oldMethod.get()

                    <simplelist columns="3" type="vert">
                        <member>
                            <apilink class="org.gradle.Subtype1"/>
                        </member>
                        <member>
                            <apilink class="org.gradle.Subtype2"/>
                        </member>
                        <member>
                            <apilink class="org.gradle.Subtype3"/>

import japicmp.filter.ClassFilter
import japicmp.filter.FieldFilter
import javassist.CtBehavior
import javassist.CtClass
import javassist.CtField

/**
 * Matches Kotlin <code>internal</code> members.
 */
class KotlinInternalFilter implements ClassFilter, FieldFilter, BehaviorFilter {

    @Override
    boolean matches(CtClass ctClass) {
        return KotlinMetadataQueries.INSTANCE.isKotlinInternal(ctClass)
    }

            }

        } else if (member instanceof JApiConstructor) {

            JApiConstructor ctor = (JApiConstructor) member
            inspectParametersNullabilityOf(ctor.oldConstructor.get(), ctor.newConstructor.get())

        } else if (member instanceof JApiMethod) {

            JApiMethod method = (JApiMethod) member
            CtMethod oldMethod = method.oldMethod.get()

import groovy.transform.Immutable

@Immutable
class ApiChange {
    String type
    String member
    List<String> changes

    static ApiChange parse(Object json) {
        new ApiChange(json.type, json.member, json.changes ?: [])
    }

    String toString() {
        def formattedMember = member - "$type."
        "$type - $formattedMember - $changes"
    }