* specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.building;

import java.util.ArrayList;
import java.util.List;

/**
 * Collects problems that are encountered during settings building.
 *
 */
class DefaultProblemCollector implements ProblemCollector {

    private final List<Problem> problems;

    private String source;

    }

    /**
     * Tests that <code>a:2.0</code> wins in the scenario:
     * <pre>
     * a:1.0
     * a:2.0
     * </pre>
     */
    @Test
    void testEqual() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode a2n = createResolutionNode(a2);

        assertResolveConflict(a2n, a1n, a2n);
    }

    /**
     * Tests that <code>a:2.0</code> wins in the scenario:

import java.util.Properties;

import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.spi.PropertyContributor;
import org.apache.maven.execution.MavenExecutionRequest;

/**
 * Extender that manages {@link PropertyContributor}.
 *
 * @since 4.0.0
 */
@Named
@Singleton
class PropertyContributorExtender implements MavenExecutionRequestExtender {
    private final Lookup lookup;

    @Inject

    int getColumnNumber();

    /**
     * Return the byte or character offset into the input source this location
     * is pointing to. If the input source is a file or a byte stream then
     * this is the byte offset into that stream, but if the input source is
     * a character media then the offset is the character offset.
     * Returns -1 if there is no offset available.
     * @return the current offset
     */
    int getCharacterOffset();

            // The root locator can be used very early during the setup of Maven,
            // even before the arguments from the command line are parsed.  Any exception
            // that would happen here should cause the build to fail at a later stage
            // (when actually parsing the POM) and will lead to a better exception being
            // displayed to the user, so just bail out and return false.

            }
            CacheKey that = (CacheKey) o;
            return Objects.equals(groupId, that.groupId)
                    && Objects.equals(artifactId, that.artifactId)
                    && Objects.equals(version, that.version)
                    && Objects.equals(dependencyArtifacts, that.dependencyArtifacts)
                    && Objects.equals(workspace, that.workspace)

/**
 * Model builder specific version parser. It is intentionally not
 * {@link org.apache.maven.api.services.VersionParser} as this is not a service,
 * but at Maven runtime it MAY actually use that service.
 *
 * @since 4.0.0
 */
public interface ModelVersionParser {

    /**
     * Parses the specified version string, for example "1.0".
     *

    }

    /**
     * This method produces "surrogate" type registry that is static: it aims users that want to use
     * Maven-Resolver without involving Maven Core and related things.
     * <p>
     * This type registry is NOT used by Maven Core: Maven replaces it during Session creation with a type registry
     * that supports extending it (i.e. via Maven Extensions).
     * <p>

    /**
     * Gets the external profiles that were active during model building. External profiles are those that were
     * contributed by {@link ModelBuilderRequest#getProfiles()}.
     *
     * @return The active external profiles or an empty list if none, never {@code null}.
     */
    @Nonnull
    List<Profile> getActiveExternalProfiles();

    /**
     * Gets the problems that were encountered during the project building.

            <type>String</type>
            <multiplicity>*</multiplicity>
          </association>
          <description><![CDATA[Restricts the classes/resources from the current artifact's CoreExtension class realm that are exposed. Values ending with ".*" expose all classes/resources which are directly contained in the given package in binary form.