* "plain {@code T}." This API provides that.
   */
  @SuppressWarnings({"nullness", "TypeParameterUnusedInFormals", "ReturnMissingNullable"})
  // The warnings are legitimate. Each time we use this method, we document why.
  @ParametricNullness
  static <T extends @Nullable Object> T uncheckedNull() {
    return null;
  }

  private NullnessCasts() {}

    return t;
  }

  /** Returns {@code null} as any type, even one that does not include {@code null}. */
  @SuppressWarnings({"nullness", "TypeParameterUnusedInFormals", "ReturnMissingNullable"})
  // The warnings are legitimate. Each time we use this method, we document why.
  @ParametricNullness
  static <T extends @Nullable Object> T unsafeNull() {
    return null;
  }

  private NullnessCasts() {}

 * way to check an object at runtime to be an instance of a {@link TypeToken}. Instead, caller
 * should use the type safe {@link #putInstance}.
 *
 * <p>Also, if caller suppresses unchecked warnings and passes in an {@code Iterable<String>} for
 * type {@code Iterable<Integer>}, the map won't be able to detect and throw type error.
 *

    return t;
  }

  /** Returns {@code null} as any type, even one that does not include {@code null}. */
  @SuppressWarnings({"nullness", "TypeParameterUnusedInFormals", "ReturnMissingNullable"})
  // The warnings are legitimate. Each time we use this method, we document why.
  @ParametricNullness
  static <T extends @Nullable Object> T unsafeNull() {
    return null;
  }

  private NullnessCasts() {}

    """
    A pydantic.v1 model is used, which is no longer supported.
    """


class FastAPIDeprecationWarning(UserWarning):
    """
    A custom deprecation warning as DeprecationWarning is ignored
    Ref: https://sethmlarson.dev/deprecations-via-warnings-dont-work-for-python-libraries

java.lang.System#setProperty(java.lang.String,java.lang.String)
java.lang.System#clearProperty(java.lang.String)
java.lang.System#getProperties() @ Use BootstrapInfo.getSystemProperties for a read-only view

@defaultMessage Avoid unchecked warnings by using Collections#empty(List|Map|Set) methods
java.util.Collections#EMPTY_LIST
java.util.Collections#EMPTY_MAP
java.util.Collections#EMPTY_SET

        }
        return themeName;
    }

    /**
     * Recursively deletes a directory and all its contents.
     * Does not throw exceptions, only logs warnings if deletion fails.
     *
     * @param dir the directory to delete
     */
    protected void closeQuietly(final Path dir) {
        if (Files.notExists(dir)) {
            if (logger.isDebugEnabled()) {

             * -serial because we don't use java serialization.
             */
            // don't even think about passing args with -J-xxx, oracle will ask you to submit a bug report :)
            // fail on all javac warnings.
            // TODO Discuss moving compileOptions.getCompilerArgs() to use provider api with Gradle team.
            List<String> compilerArgs = compileOptions.getCompilerArgs();
            compilerArgs.add("-Werror");

common:ios --noenable_platform_specific_config

# Suppress all C++ compiler warnings, otherwise build logs become 10s of MBs.
common:android --copt=-w
common:ios --copt=-w
common:linux --host_copt=-w
common:macos --copt=-w
common:windows --copt=/W0
common:windows --host_copt=/W0

# Suppress most C++ compiler warnings to reduce log size but allow
# for specific warnings to still be present.
common:linux --copt="-Wno-all"

              restoreInterruptIfIsInterruptedException(e);
              logger.get().log(WARNING, "thrown by close()", e);
            }
          });
    } catch (RejectedExecutionException e) {
      if (logger.get().isLoggable(WARNING)) {
        logger
            .get()
            .log(
                WARNING,
                String.format("while submitting close to %s; will close inline", executor),