for (int type : types) {
            // Check if it's a power of 2 (has exactly one bit set)
            assertTrue(type > 0 && (type & (type - 1)) == 0, "Resource type " + type + " should be a power of 2");
        }
    }

/// tip

To understand environment variables you can read [Environment Variables](../environment-variables.md){.internal-link target=_blank}.

///

## Types and validation { #types-and-validation }

import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;

/**
 * Validator implementation for URI type constraints.
 * This validator checks URI strings against specified protocol types.
 */
public class UriTypeValidator implements ConstraintValidator<UriType, String> {

    /**
     * Default constructor for UriTypeValidator.
     */

  @Param Result result;
  @Param ExceptionType exceptionType;

  /**
   * The number of other exception types in the cache of known-good exceptions and the number of
   * other {@code ClassValue} entries for the exception type to be tested. This lets us evaluate
   * whether our solution scales to use with multiple exception types and to whether it is affected

        }
    }

    private static int invokeProtectedInt(Object target, String name, Object... params) {
        try {
            var cls = target.getClass();
            // Build proper parameter types array, handling primitive types
            Class<?>[] paramTypes = new Class<?>[params.length];
            for (int i = 0; i < params.length; i++) {
                if (params[i] instanceof byte[]) {

---

## **Typer**, the FastAPI of CLIs { #typer-the-fastapi-of-clis }

<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>

     * <p>
     * If <code>type</code> is not an array of parameterized types, <code>null</code> is returned.
     * </p>
     *
     * @param type
     *            the type to analyze
     * @return the element type of the array, or null if not an array of parameterized types
     */
    public static Type getElementTypeOfArray(final Type type) {
        if (!(type instanceof GenericArrayType)) {
            return null;

    /**
     * Returns a list of label type items.
     *
     * @param searchRequestType The search request type.
     * @return A list of label type items.
     */
    public List<Map<String, String>> getLabelTypeItemList(final SearchRequestType searchRequestType) {
        return getLabelTypeItemList(searchRequestType, Locale.ROOT);
    }

    /**
     * Returns a list of label type items.
     *

 * It coordinates with DictionaryCreator instances to handle different
 * dictionary types and manages file synchronization through ConfigSync.
 *
 */
public class DictionaryManager {
    private static final Logger logger = LogManager.getLogger(DictionaryManager.class);

    /** List of dictionary creators for handling different dictionary types */
    protected List<DictionaryCreator> creatorList = new ArrayList<>();

    /**

name: Add to Project

on:
  pull_request_target:
  issues:
    types:
      - opened
      - reopened

jobs:
  add-to-project:
    name: Add to project
    runs-on: ubuntu-latest
    steps:
      - uses: actions/add-to-project@v1.0.2
        with:
          project-url: https://github.com/orgs/fastapi/projects/2