}
	})
}

// flagDropExclude implements the -dropexclude flag.
func flagDropExclude(arg string) {
	path, version := parsePathVersion("dropexclude", arg)
	edits = append(edits, func(f *modfile.File) {
		if err := f.DropExclude(path, version); err != nil {
			base.Fatalf("go: -dropexclude=%s: %v", arg, err)
		}
	})
}

// flagReplace implements the -replace flag.

cmpenv go.mod $WORK/go.mod.edit1
go mod edit -droprequire=x.1 -dropexclude=x.1@v1.2.1 -dropexclude=x.1@v2.0.0+incompatible -dropreplace=x.1@v1.3.0 -require=x.3@v1.99.0 -dropretract=v1.0.0 -dropretract=[v1.1.0,v1.2.0]
cmpenv go.mod $WORK/go.mod.edit2

# -exclude and -retract reject invalid versions.

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs;

public interface GroupExclude extends ExcludeSpec {
    String getGroup();

		}
	}

	f.Exclude = append(f.Exclude, &Exclude{Mod: module.Version{Path: path, Version: vers}, Syntax: f.Syntax.addLine(hint, "exclude", AutoQuote(path), vers)})
	return nil
}

func (f *File) DropExclude(path, vers string) error {
	for _, x := range f.Exclude {
		if x.Mod.Path == path && x.Mod.Version == vers {
			x.Syntax.markRemoved()
			*x = Exclude{}
		}
	}
	return nil
}

// This flag is mainly for tools that understand Go version dependencies.
// Users should prefer 'go get toolchain@version'.
//
// The -exclude=path@version and -dropexclude=path@version flags
// add and drop an exclusion for the given module path and version.
// Note that -exclude=path@version is a no-op if that exclusion already exists.
//

    @NonNullApi
    private static final class IntersectGroupWithGroup extends AbstractIntersection<GroupExclude, GroupExclude> {
        private IntersectGroupWithGroup() {
            super(GroupExclude.class, GroupExclude.class);
        }

        @Override
        public ExcludeSpec doIntersect(GroupExclude left, GroupExclude right, ExcludeFactory factory) {
            // equality has been tested before, so we know groups are different

import org.gradle.internal.component.model.IvyArtifactName;

final class DefaultGroupExclude implements GroupExclude {
    private final String group;
    private final int hashCode;

    private DefaultGroupExclude(String group) {
        this.group = group;
        this.hashCode = group.hashCode();
    }

    static GroupExclude of(String group) {

            return tryModuleUnion((ModuleExclude) right, left);
        }
        if (left instanceof GroupExclude) {
            return tryGroupUnion((GroupExclude) left, right);
        } else if (right instanceof GroupExclude) {
            return tryGroupUnion((GroupExclude) right, left);
        }
        if (left instanceof ModuleSetExclude) {
            return tryModuleSetUnion((ModuleSetExclude) left, right);

import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.ExcludeSpec;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.GroupExclude;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.GroupSetExclude;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.ModuleExclude;

import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.ExcludeSpec;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.GroupExclude;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.GroupSetExclude;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs.ModuleExclude;