import org.gradle.tooling.events.problems.ProblemGroup;

import javax.annotation.Nullable;

@NonNullApi
public class DefaultProblemGroup implements ProblemGroup {

    private final String name;
    private final String displayName;
    private final ProblemGroup parent;

    public DefaultProblemGroup(String name, String displayName, @Nullable ProblemGroup parent) {
        this.name = name;
        this.displayName = displayName;

import java.io.Serializable;

@Incubating
public class DefaultProblemGroup implements ProblemGroup, Serializable {

    private final String name;
    private final String displayName;
    private final ProblemGroup parent;

    public DefaultProblemGroup(String groupId, String displayName) {
        this(groupId, displayName, null);
    }

    public DefaultProblemGroup(String name, String displayName, @Nullable ProblemGroup parent) {

import javax.annotation.Nullable;
import java.io.Serializable;

@NonNullApi
public class DefaultProblemGroup implements InternalProblemGroup, Serializable {

    private final String name;
    private final String displayName;
    private final InternalProblemGroup parent;

    public DefaultProblemGroup(String name, String displayName, @Nullable InternalProblemGroup parent) {
          this.name = name;

    private static final DefaultProblemGroup DEPRECATION_PROBLEM_GROUP = new DefaultProblemGroup("deprecation", "Deprecation");
    private static final DefaultValidationProblemGroup VALIDATION_PROBLEM_GROUP = new DefaultValidationProblemGroup("validation", "Validation");
    private static final DefaultProblemGroup TASK_SELECTION_PROBLEM_GROUP = new DefaultProblemGroup("task-selection", "Task selection");

 * limitations under the License.
 */
package org.gradle.integtests.fixtures.validation;

import com.google.common.collect.ImmutableSet;
import org.gradle.api.problems.internal.DefaultProblemGroup;
import org.gradle.api.problems.Severity;
import org.gradle.internal.deprecation.Documentation;
import org.gradle.internal.properties.PropertyValue;
import org.gradle.internal.properties.PropertyVisitor;

import org.gradle.internal.build.event.types.DefaultDocumentationLink
import org.gradle.internal.build.event.types.DefaultProblemDefinition
import org.gradle.internal.build.event.types.DefaultProblemGroup
import org.gradle.internal.build.event.types.DefaultProblemId
import org.gradle.internal.build.event.types.DefaultSeverity
import org.gradle.internal.operations.OperationIdentifier

import org.gradle.internal.build.event.types.DefaultProblemDetails;
import org.gradle.internal.build.event.types.DefaultProblemEvent;
import org.gradle.internal.build.event.types.DefaultProblemGroup;
import org.gradle.internal.build.event.types.DefaultProblemId;
import org.gradle.internal.build.event.types.DefaultSeverity;
import org.gradle.internal.build.event.types.DefaultSolution;

        return DefaultLineInFileLocation.from(path, line);
    }

    private Problem invalidProblem(String id, String displayName, String contextualLabel) {
        id(id, displayName, new DefaultProblemGroup(
            "problems-api",
            "Problems API")
        ).stackLocation();
        ProblemDefinition problemDefinition = new DefaultProblemDefinition(this.id, Severity.WARNING, null);

            JsonElement parent = group.get("parent");
            if (parent == null) {
                return new DefaultProblemGroup(name, displayName);
            }
            return new DefaultProblemGroup(name, displayName, deserializeGroup(parent));
        }

        @Override

        } else {
            String groupName = groupNames.remove(groupNames.size() - 1);
            return new DefaultProblemGroup(groupName, groupName, toProblemGroup(groupNames));
        }
    }

    private static ProblemGroup toProblemGroup(InternalProblemGroup problemGroup) {