//
    // When getting the non-transitive, downstream projects of aProject with a whitelist of aProject, dProject,
    // and eProject, we expect to get dProject, and eProject with no duplicates.
    // Before the fix, this would return dProject and eProject twice, once from bProject and once from cProject. As
    // aProject is whitelisted, it should not be returned as a downstream project for itself. bProject and cProject

import org.eclipse.aether.RepositorySystemSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Builds consumer POMs from project models, transforming them into a format suitable for downstream consumers.
 * <p>
 * A consumer POM is a simplified version of a project's POM that is published for consumption by other projects.

       5. Downstream recipients.

            a. Offer from the Licensor -- Licensed Material. Every
               recipient of the Licensed Material automatically
               receives an offer from the Licensor to exercise the
               Licensed Rights under the terms and conditions of this
               Public License.

            b. No downstream restrictions. You may not offer or impose

not accept this License.  Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.

  10. Automatic Licensing of Downstream Recipients.

  Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License.  You are not responsible

        throw new IllegalArgumentException("No type mapping from " + fromClass + " to " + to);
      }
    }.visit(from);
  }

  /**
   * Resolves all type variables in {@code type} and all downstream types and returns a
   * corresponding type with type variables resolved.
   */
  public Type resolveType(Type type) {
    checkNotNull(type);
    if (type instanceof TypeVariable) {

    // Reactor Make Mode
    // ----------------------------------------------------------------------

    String REACTOR_MAKE_UPSTREAM = "make-upstream";

    String REACTOR_MAKE_DOWNSTREAM = "make-downstream";

    String REACTOR_MAKE_BOTH = "make-both";

    // ----------------------------------------------------------------------
    // Artifact repository policies

          if (!isRecoverable) throw e.withSuppressed(recoveredFailures)
          recoveredFailures += e
          newRoutePlanner = false
          continue
        }

        // Clear out downstream interceptor's additional request headers, cookies, etc.
        response =
          response
            .newBuilder()
            .request(request)
            .priorResponse(priorResponse?.stripBody())

        throw new IllegalArgumentException("No type mapping from " + fromClass + " to " + to);
      }
    }.visit(from);
  }

  /**
   * Resolves all type variables in {@code type} and all downstream types and returns a
   * corresponding type with type variables resolved.
   */
  public Type resolveType(Type type) {
    checkNotNull(type);
    if (type instanceof TypeVariable) {

                        .makeBehavior(REACTOR_MAKE_UPSTREAM)
                        .expectResult(PARENT_MODULE, MODULE_C, MODULE_A, MODULE_C_2, INDEPENDENT_MODULE),
                scenario("Resume from exclude project downstream")
                        .resumeFrom(MODULE_A)
                        .inactiveRequiredProjects(MODULE_B)
                        .expectResult(MODULE_A, MODULE_C_2, INDEPENDENT_MODULE),

		}
		if done {
			break
		}
	}

	if context.Cause(ctx) != nil {
		xioutil.SafeClose(expireCh)
		return context.Cause(ctx)
	}
	pushToExpire()
	// Send any remaining objects downstream
	if len(toDel) > 0 {
		select {
		case <-ctx.Done():
		case expireCh <- toDel:
		}
	}
	xioutil.SafeClose(expireCh)

	<-expireDoneCh // waits for the expire goroutine to complete