BuilderProblem.Severity.WARNING));
                        return value;
                    }
                })
                .visit(settings);
    }

    @Override
    public List<BuilderProblem> validate(Settings settings, boolean isProjectSettings) {
        ArrayList<BuilderProblem> problems = new ArrayList<>();

        InnerInterpolator innerInterpolator = createInterpolator(valueSources, postProcessors, request, problems);

        return new MavenTransformer(innerInterpolator::interpolate).visit(model);
    }

    private InnerInterpolator createInterpolator(
            List<? extends ValueSource> valueSources,
            List<? extends InterpolationPostProcessor> postProcessors,

            val type = (projection as? ConeKotlinTypeProjection)?.type ?: continue
            // E.g., Comparable<Test>
            val newType = substituteOrNull(type) ?: continue
            // Visit new type: e.g., Test, as a type argument, is substituted with Comparable<Test>, again.
            if (newType.hasRecursiveTypeArgument(visited)) return true
        }
        return false
    }

        result.set(t.getGenericComponentType());
      }

      @Override
      void visitClass(Class<?> t) {
        result.set(t.getComponentType());
      }
    }.visit(type);
    return result.get();
  }

  /**
   * Returns {@code ? extends X} if any of {@code bounds} is a subtype of {@code X[]}; or null
   * otherwise.
   */
  @CheckForNull

	}
	if meta.Format != formatBackendErasure && meta.Format != formatBackendErasureSingle {
		return "", fmt.Errorf(`found backend type %s, expected %s or %s - to migrate to a supported backend visit https://min.io/docs/minio/linux/operations/install-deploy-manage/migrate-fs-gateway.html`, meta.Format, formatBackendErasure, formatBackendErasureSingle)
	}
	// Erasure backend found, proceed to detect version.

	defer cancel()

	results := make(chan ObjectInfo, workerSize)
	if err := api.Walk(ctx, r.Bucket, r.Prefix, results, WalkOptions{
		Marker:       lastObject,
		LatestOnly:   false, // we need to visit all versions of the object to implement purge: retainVersions
		VersionsSort: WalkVersionsSortDesc,
	}); err != nil {
		// Do not need to retry if we can't list objects on source.
		return err
	}

	uatomic "go.uber.org/atomic"
)

const (
	dataScannerSleepPerFolder        = time.Millisecond                 // Time to wait between folders.
	dataUsageUpdateDirCycles         = 16                               // Visit all folders every n cycles.
	dataScannerCompactLeastObject    = 500                              // Compact when there is less than this many objects in a branch.