name = getattr(r, "name", "unknown")
                if path is not None and not path:
                    raise FastAPIError(
                        f"Prefix and path cannot be both empty (path operation: {name})"
                    )
        if responses is None:
            responses = {}
        for route in router.routes:
            if isinstance(route, APIRoute):

    return new TransformedEntriesNavigableMap<>(fromMap, transformer);
  }

  /**
   * A transformation of the value of a key-value pair, using both key and value as inputs. To apply
   * the transformation to a map, use {@link Maps#transformEntries(Map, EntryTransformer)}.
   *
   * @param <K> the key type of the input and output entries

    return new TransformedEntriesNavigableMap<>(fromMap, transformer);
  }

  /**
   * A transformation of the value of a key-value pair, using both key and value as inputs. To apply
   * the transformation to a map, use {@link Maps#transformEntries(Map, EntryTransformer)}.
   *
   * @param <K> the key type of the input and output entries

* 🔧 Configure reminder for `waiting` label in `issue-manager`. PR [#14156](https://github.com/fastapi/fastapi/pull/14156) by [@YuriiMotov](https://github.com/YuriiMotov).

## 0.119.0

FastAPI now (temporarily) supports both Pydantic v2 models and `pydantic.v1` models at the same time in the same app, to make it easier for any FastAPI apps still using Pydantic v1 to gradually but quickly **migrate to Pydantic v2**.

```Python

material is not limited to numerical parameters, data structure
layouts and accessors, or small macros, inline functions and templates
(ten or fewer lines in length), you do both of the following:

   a) Give prominent notice with each copy of the object code that the
   Library is used in it and that the Library and its use are
   covered by this License.