apiErr.Description = fmt.Sprintf("%s (%v)", apiErr.Description, multipart.ErrMessageTooLarge)
			writeErrorResponse(ctx, w, apiErr, r.URL)
			return
		}
		maxParts--

		name := part.FormName()
		if name == "" {
			continue
		}

		fileName = part.FileName()

		// Multiple values for the same key (one map entry, longer slice) are cheaper

pkg mime/multipart, method (*Form) RemoveAll() error
pkg mime/multipart, method (*Part) Close() error
pkg mime/multipart, method (*Part) FileName() string
pkg mime/multipart, method (*Part) FormName() string
pkg mime/multipart, method (*Part) Read([]uint8) (int, error)
pkg mime/multipart, method (*Reader) NextPart() (*Part, error)
pkg mime/multipart, method (*Reader) ReadForm(int64) (*Form, error)