mainModules.highestReplaced[r.Old.Path] = r.Old.Version
				}
			}
		}
	}

	return mainModules
}

// requirementsFromModFiles returns the set of non-excluded requirements from
// the global modFile.
func requirementsFromModFiles(ctx context.Context, workFile *modfile.WorkFile, modFiles []*modfile.File, opts *PackageOpts) *Requirements {
	var roots []module.Version
	direct := map[string]bool{}