// methods ----------------------------------------------------------------

    /**
     * Gets a conflict resolver of the specified type.
     *
     * @param type the type of conflict resolver to obtain
     * @return the conflict resolver
     * @throws ConflictResolverNotFoundException
     *          if the specified type was not found
     */

                CoreExtension conflict = selectedExtensions.putIfAbsent(key, coreExtension);
                if (conflict != null && !Objects.equals(coreExtension.getVersion(), conflict.getVersion())) {
                    conflicts.add(String.format(
                            "Conflicting extension %s: %s vs %s",
                            key,
                            formatLocation(conflict.getLocation("")),

name: "Conflict detector"
on:
  push:
  pull_request_target:
    types: [synchronize]

jobs:
  main:
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - name: Check if PRs have merge conflicts
        uses: eps1lon/actions-label-merge-conflict@v3
        with:
          dirtyLabel: "conflicts"
          repoToken: "${{ secrets.GITHUB_TOKEN }}"

    27.0, depends on
    listenablefuture-9999.0-empty-to-avoid-conflict-with-guava. The 9999.0-...
    version number is enough for some build systems (notably, Gradle) to select
    that empty artifact over the "real" listenablefuture-1.0 -- avoiding a
    conflict with the copy of ListenableFuture in guava itself. If users are

			// names are disjoint and so can safely share a single namespace. However,
			// it's possible that a future update to the CSRs in inst.go could introduce
			// a conflict. This check ensures that such a conflict does not go
			// unnoticed.
			if _, ok := riscv64SpecialOperand[csrName]; ok {
				panic(fmt.Sprintf("riscv64 special operand %q redefined", csrName))
			}

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.legacy.resolver.conflict;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import org.codehaus.plexus.PlexusConstants;
import org.codehaus.plexus.PlexusContainer;

 */
package org.apache.maven.repository.metadata;

import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * Resolves conflicts in the supplied dependency graph.
 * Different implementations will implement different conflict resolution policies.
 *
 */
@Deprecated
public interface GraphConflictResolver {
    String ROLE = GraphConflictResolver.class.getName();

    /**

    27.0, depends on
    listenablefuture-9999.0-empty-to-avoid-conflict-with-guava. The 9999.0-...
    version number is enough for some build systems (notably, Gradle) to select
    that empty artifact over the "real" listenablefuture-1.0 -- avoiding a
    conflict with the copy of ListenableFuture in guava itself. If users are

        applyRule<DependencyRemovalByNameRule>("org.apache.groovy:groovy-ant", setOf("ant-junit"))

        // GCS transitively depends on commons-logging.
        // Ensure jcl-over-slf4j is pulled in when we use GCS so it can conflict.
        applyRule<DependencyAdditionRule>("com.google.apis:google-api-services-storage", "org.slf4j:jcl-over-slf4j")

        Files.writeString(userExtensions, userExtensionsXml);

        assertThrows(InvokerException.class, () -> invoke(cwd, userHome, List.of("validate"), List.of()));
    }

    /**
     * In case of conflict spanning different sources, precedence is applied: project > user > installation.
     */
    @Test
    void conflictingExtensionsFromDifferentSource(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,