return this;
        }

        public DependencyCoordinateFactoryRequestBuilder exclusions(Collection<Exclusion> exclusions) {
            if (exclusions != null) {
                if (this.exclusions.isEmpty()) {
                    this.exclusions = new ArrayList<>();
                }
                this.exclusions.addAll(exclusions);
            }
            return this;
        }

package org.apache.maven.api;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nullable;

/**
 * A dependency exclusion.
 *
 * @since 4.0.0
 * @see DependencyCoordinate#getExclusions()
 */
@Experimental
public interface Exclusion {
    @Nullable
    String getGroupId();

    @Nullable
    String getArtifactId();

     *
     * @return the type
     */
    @Nonnull
    Type getType();

    @Nonnull
    DependencyScope getScope();

    @Nullable
    Boolean getOptional();

    @Nonnull
    Collection<Exclusion> getExclusions();