}

    private ConditionEvents checkMethodCondition(ArchCondition<JavaMethod> archCondition, Class<?> clazz) {
        JavaClass javaClass = new ClassFileImporter().importClass(clazz);
        CollectingConditionEvents events = new CollectingConditionEvents();
        for (JavaMethod method : javaClass.getAllMethods()) {
            archCondition.check(method, events);
        }
        return events;
    }

            public boolean test(Collection<T> input) {
                return input.stream().allMatch(predicate);
            }
        };
    }

    static ArchCondition<JavaClass> beAbstract() {
        return new ArchCondition<JavaClass>("be abstract") {
            @Override
            public void check(JavaClass input, ConditionEvents events) {

import com.tngtech.archunit.core.domain.properties.HasOwner;
import com.tngtech.archunit.junit.AnalyzeClasses;
import com.tngtech.archunit.junit.ArchTest;
import com.tngtech.archunit.lang.ArchCondition;
import com.tngtech.archunit.lang.ArchRule;
import org.gradle.test.fixtures.file.TestFile;

import java.io.File;
import java.nio.file.Files;
import java.nio.file.attribute.FileAttribute;

    private static ArchCondition<JavaClass> haveAccessorsWithSymmetricalNullableAnnotations() {
        return new ArchCondition<JavaClass>("have accessors with symmetrical @Nullable annotations") {
            @Override
            public void check(JavaClass item, ConditionEvents events) {

import com.tngtech.archunit.core.domain.properties.HasSourceCodeLocation;
import com.tngtech.archunit.junit.AnalyzeClasses;
import com.tngtech.archunit.junit.ArchTest;
import com.tngtech.archunit.lang.ArchCondition;
import com.tngtech.archunit.lang.ArchRule;
import com.tngtech.archunit.lang.ConditionEvents;
import com.tngtech.archunit.lang.SimpleConditionEvent;
import com.tngtech.archunit.lang.conditions.ArchPredicates;