## Combine predefined responses and custom ones

You might want to have some predefined responses that apply to many *path operations*, but you want to combine them with custom responses needed by each *path operation*.

For those cases, you can use the Python technique of "unpacking" a `dict` with `**dict_to_unpack`:

```Python
old_dict = {
    "old key": "old value",

type urlFrag struct {
	url, frag string
}

var (
	mu          sync.Mutex
	crawled     = make(map[string]bool)      // URL without fragment -> true
	neededFrags = make(map[urlFrag][]string) // URL#frag -> who needs it
)

var aRx = regexp.MustCompile(`<a href=['"]?(/[^\s'">]+)`)

// Owned by crawlLoop goroutine:
var (
	linkSources = make(map[string][]string) // url no fragment -> sources
	fragExists  = make(map[urlFrag]bool)

        uses: actions/upload-artifact@v4
        if: ${{ matrix.os == 'ubuntu-latest' }}
        with:
          name: built-maven
          path: apache-maven/target/

  integration-test:
    needs: build
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
        java: [17, 21]

      fail-fast: false
    runs-on: ${{ matrix.os }}

    steps:

       actually changes the test classpath itself. This means that it
       can"t benefit from incremental build acceleration, because on every
       execution it sees that the classpath has changed, and so to be
       safe, it needs to re-run.

       - This is unfortunate, because actually it would be safe to declare
       the task as up-to-date, because these two files, which are based on

sh","barbados","belarus","belgium","belize","benin","bermuda","bhutan","bolivia","bonaire","bosnia and herzegovina","botswana","bouvet island","brazil","british indian ocean territory","brunei darussalam","bulgaria","burkina faso","burundi","cabo verde","cambodia","cameroon","canada","cayman islands","central african republic","chad","chile","china","christmas island","cocos islands","colombia","comoros","democratic republic of the congo","congo","cook islands","costa rica","côte d'ivoire","croa...

	}

	_, err := objectAPI.GetBucketInfo(ctx, bucketName, BucketOptions{})
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// PutBucketNotification always needs a Content-Length.
	if r.ContentLength <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMissingContentLength), r.URL)
		return
	}

    ) {
      // Invalid pattern.
      return false
    }

    // Normalize hostname and pattern by turning them into absolute domain names if they are not
    // yet absolute. This is needed because server certificates do not normally contain absolute
    // names or patterns, but they should be treated as absolute. At the same time, any hostname

type ExpireDeleteMarker struct {
	Boolean
}

// Boolean signifies a boolean XML struct with custom marshaling
type Boolean struct {
	val    bool
	set    bool
	Unused struct{} // Needed for GOB compatibility
}

// Expiration - expiration actions for a rule in lifecycle configuration.
type Expiration struct {
	XMLName      xml.Name           `xml:"Expiration"`

tidy-go:
	@find -name go.mod -execdir go mod tidy \;

mod-download-go:
	@-GOFLAGS="-mod=readonly" find -name go.mod -execdir go mod download \;
# go mod tidy is needed with Golang 1.16+ as go mod download affects go.sum
# https://github.com/golang/go/issues/43994
	@find -name go.mod -execdir go mod tidy \;

format-go: tidy-go

However, for the vast majority of issues, we aim to empower individuals to first resolve conflicts themselves, asking for help when needed, and only after that fails to escalate further. This approach gives people more control over the outcome of their dispute.