assertThat(transformation.inverse().inverse()).isSameInstanceAs(transformation);
  }

  /**
   * Asserts that {@code transformation} behaves as expected for {@link
   * LinearTransformation#forNaN}.
   */
  static void assertLinearTransformationNaN(LinearTransformation transformation) {
    assertThat(transformation.isHorizontal()).isFalse();

    }

    /**
     * Returns the transformation.
     *
     * @return the transformation
     */
    public String getTransformation() {
        return transformation;
    }

    /**
     * Sets the transformation.
     *
     * @param transformation
     *            the transformation
     */
    public void setTransformation(final String transformation) {

                    + System.lineSeparator()
                    + "  3. Remove the mixins from your POM");
        }

        // Check if consumer POM flattening is disabled
        if (!flattenEnabled) {
            // When flattening is disabled, treat non-POM projects like parent POMs
            // Apply only basic transformations without flattening dependency management

            getDataCallCount.set(0);
            lastResponseData = null;
            lastAccessResultData = null;
        }
    }

    /**
     * Transformer implementation that performs content transformation
     */
    public static class ContentTransformer implements Transformer {
        private final String name;
        private final Map<String, String> transformationRules = new HashMap<>();

/**
 * Implementation of IndexUpdateCallback for handling document indexing operations.
 * This class manages the process of updating the search index with documents from
 * data stores, including bulk operations, document transformation, and error handling.
 */
public class IndexUpdateCallbackImpl implements IndexUpdateCallback {
    private static final Logger logger = LogManager.getLogger(IndexUpdateCallbackImpl.class);

    /**

        int keyLength = getKeyLength();
        String transformation;

        // Select appropriate AES algorithm based on key length
        if (keyLength == 32) {
            // AES-256 support
            transformation = "AES/GCM/NoPadding";
        } else if (keyLength == 16) {
            // AES-128 (existing)
            transformation = "AES/GCM/NoPadding";
        } else {

         * using DefaultRepositoryLayout requires us to enforce usage of the artifact's base version. This
         * transformation however contradicts the other use case of precisely obeying the repository's layout. The below
         * flag tries to detect which use case applies to make both plugins happy.
         */

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.transformation.impl;

import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.List;

      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

        ensurePositive(xSumOfSquaresOfDeltas * ySumOfSquaresOfDeltas);
    return ensureInUnitRange(sumOfProductsOfDeltas / Math.sqrt(productOfSumsOfSquaresOfDeltas));
  }

  /**
   * Returns a linear transformation giving the best fit to the data according to <a
   * href="http://mathworld.wolfram.com/LeastSquaresFitting.html">Ordinary Least Squares linear