return {"message": "Hello World"}
```

See the similarities in `requests.get(...)` and `@app.get(...)`.

/// check | Inspired **FastAPI** to

* Have a simple and intuitive API.
* Use HTTP method names (operations) directly, in a straightforward and intuitive way.
* Have sensible defaults, but powerful customizations.

///

import com.google.common.cache.LoadingCache;
import com.ibm.icu.util.ULocale;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;

/**
 * Helper class for system-level operations and utilities.
 * This class provides methods for managing system properties, handling JSP files,
 * normalizing configurations, and other system-related tasks.
 */
public class SystemHelper {

    /**

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;

import org.codelibs.core.message.MessageFormatter;

/**
 * Utility class for array operations.
 *
 * @author higa
 */
public abstract class ArrayUtil {

    /**
     * Do not instantiate.
     */
    protected ArrayUtil() {
    }

    /**
     * Returns an array of {@literal boolean}.

// permanent deletes (by specifying a version ID in the delete operation) have three states "Pending", "Complete"
// and "Failed" to mark the status of the replication of "DELETE" operation. All failed operations can
// then be retried by healing. In the case of permanent deletes, until the replication is completed on the
// target cluster, the object version is marked deleted on the source and hidden from listing. It is permanently

	SD	X5, 4294967296(X6)		// ERROR "constant 4294967296 too large"
	FNES	F1, (X5)			// ERROR "needs an integer register output"

	//
	// "V" Standard Extension for Vector Operations, Version 1.0
	//
	VSETIVLI	X10, E32, M2, TA, MA, X12	// ERROR "expected immediate value"
	VLE8V		(X10), V1, V3			// ERROR "invalid vector mask register"
	VLE8FFV		(X10), V1, V3			// ERROR "invalid vector mask register"

    SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
    MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
    LONG_DELAY_MS = SHORT_DELAY_MS * 200;
  }

  /**
   * Returns a timeout in milliseconds to be used in tests that verify that operations block or time
   * out.
   */
  long timeoutMillis() {
    return SHORT_DELAY_MS / 4;
  }

  /** Returns a new Date instance representing a time delayMillis milliseconds in the future. */

//
// UnreadByte returns an error if the most recent method called on the
// [Reader] was not a read operation. Notably, [Reader.Peek], [Reader.Discard], and [Reader.WriteTo] are not
// considered read operations.
func (b *Reader) UnreadByte() error {
	if b.lastByte < 0 || b.r == 0 && b.w > 0 {
		return ErrInvalidUnreadByte
	}
	// b.r > 0 || b.w == 0
	if b.r > 0 {
		b.r--
	} else {
		// b.r == 0 && b.w == 0

			if err = setEncryptionMetadata(r, bucket, object, encMetadata); err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}
		}
		// Set this for multipart only operations, we need to differentiate during
		// decryption if the file was actually multipart or not.
		encMetadata[ReservedMetadataPrefix+"Encrypted-Multipart"] = ""
	}

	// Extract metadata that needs to be saved.

```

Veja as similaridades em `requests.get(...)` e `@app.get(...)`.

/// check | **FastAPI** inspirado para

* Ter uma API simples e intuitiva.
* Utilizar nomes de métodos HTTP (operações) diretamente, de um jeito direto e intuitivo.
* Ter padrões sensatos, mas customizações poderosas.

///

     *
     * <p>If this returns false, then no query can take more than O(log n).
     *
     * <p>Note that for a RegularImmutableSet with elements with truly random hash codes, contains
     * operations take expected O(1) time but with high probability take O(log n) for at least some
     * element. (https://en.wikipedia.org/wiki/Linear_probing#Analysis)
     *