* }
 * </pre>
 *
 * @param <T> The type of extensible enum to extend
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface ExtensibleEnumProvider<T extends ExtensibleEnum> extends SpiService {

    /**
     * Provides new values for the extensible enum.
     * <p>
     * This method is called by Maven during initialization to collect all custom enum values

from enum import Enum

from fastapi import FastAPI


class ModelName(str, Enum):
    alexnet = "alexnet"
    resnet = "resnet"
    lenet = "lenet"


app = FastAPI()


@app.get("/models/{model_name}")
async def get_model(model_name: ModelName):
    if model_name is ModelName.alexnet:
        return {"model_name": model_name, "message": "Deep Learning FTW!"}

    if model_name.value == "lenet":

# Made an issue in:
# https://github.com/fastapi/fastapi/issues/14247
from enum import Enum

from fastapi import FastAPI
from fastapi.testclient import TestClient
from inline_snapshot import snapshot
from pydantic import BaseModel, Field


class MessageEventType(str, Enum):
    alpha = "alpha"
    beta = "beta"


class MessageEvent(BaseModel):

      enumConstantCache = new WeakHashMap<>();

  private static <T extends Enum<T>> Map<String, WeakReference<? extends Enum<?>>> populateCache(
      Class<T> enumClass) {
    Map<String, WeakReference<? extends Enum<?>>> result = new HashMap<>();
    for (T enumInstance : EnumSet.allOf(enumClass)) {
      result.put(enumInstance.name(), new WeakReference<Enum<?>>(enumInstance));

        sourceFile.text = apiElement == 'enum' ? """
                /**
                 * @since 11.38
                 */
                public enum $TEST_INTERFACE_SIMPLE_NAME {
                    field;

                    void method() { }
                }
            """
            : apiElement.startsWith('enum') ? """
                public enum $TEST_INTERFACE_SIMPLE_NAME {
                    /**

import org.apache.maven.api.annotations.Nonnull;

/**
 * Registry for extensible enum values that allows looking up enum instances by their identifiers.
 * <p>
 * This service provides access to all registered instances of a specific extensible enum type.
 * It's used internally by Maven and can also be used by plugins and extensions to access
 * custom enum values that have been registered through SPI providers.
 *

        } else {
          fail(
              rootLocaleFormat(
                  "Feature enum %s contains a class named "
                      + "'Require' but it is not an annotation.",
                  featureEnumClass));
        }
        return;
      }
    }
    fail(
        rootLocaleFormat(
            "Feature enum %s should contain an annotation named 'Require'.", featureEnumClass));
  }

      }
    };
  }

  enum QueueImpl implements CollectionsImplEnum {
    MinMaxPriorityQueueImpl {
      @Override
      public <E extends Comparable<E>> Queue<E> create(Collection<E> contents) {
        return MinMaxPriorityQueue.create(contents);
      }
    };
  }

  enum TableImpl {
    HashBasedTableImpl {
      @Override

                for (Listener listener : listeners) {
                    listener.onEvent(event);
                }
            }
        }
    }

    /**
     * Simple "conversion" from Maven3 event type enum to Maven4 enum.
     */
    protected EventType convert(ExecutionEvent.Type type) {
        return EventType.values()[type.ordinal()];
    }

    @Override
    public void close() throws Exception {}

    }

    // Sanity: Enum.valueOf(Class, String) behaves identically to RequestParam.valueOf(String)
    @Test
    @DisplayName("Enum.valueOf mirrors RequestParam.valueOf for valid names")
    void enumValueOfParity() {
        for (RequestParam rp : RequestParam.values()) {
            assertSame(rp, Enum.valueOf(RequestParam.class, rp.name()));
        }
    }