result, err := s3.core.ListObjectsV2(s3.Bucket, s3.Prefix, "", "", slashSeparator, 1)
	if err != nil {
		return false, s3.ToObjectError(err)
	}
	return len(result.CommonPrefixes) > 0 || len(result.Contents) > 0, nil
}

func newWarmBackendS3(conf madmin.TierS3, tier string) (*warmBackendS3, error) {
	u, err := url.Parse(conf.Endpoint)
	if err != nil {
		return nil, err
	}

	// Validation code

			return gzippedBody
		}
		defer r.Close()
		b, _ := io.ReadAll(io.LimitReader(r, 10<<20))
		return b
	}
	// If there was an error response or body logging is enabled
	// then we return the body contents
	if (lrw.LogErrBody && lrw.StatusCode >= http.StatusBadRequest) || lrw.LogAllBody {
		return lrw.body.Bytes()
	}
	// ... otherwise we return the <BLOB> place holder
	return blobBody
}

        try {
            return new JarFile(file);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Returns an input stream to read the contents of the specified JAR file entry.
     *
     * @param file the JAR file (must not be {@literal null})
     * @param entry the JAR file entry (must not be {@literal null})
     * @return the input stream to read the entry

     * resource URL
     * @throws SmbException if an error occurs while listing the contents
     */
    public String[] list() throws SmbException {
        return list("*", ATTR_DIRECTORY | ATTR_HIDDEN | ATTR_SYSTEM, null, null);
    }

    /**
     * List the contents of this SMB resource. The list returned will be
     * identical to the list returned by the parameterless <code>list()</code>

    /** The suggest settings. */
    protected final SuggestSettings suggestSettings;
    /** The reading converter. */
    protected final ReadingConverter readingConverter;
    /** The contents reading converter. */
    protected final ReadingConverter contentsReadingConverter;
    /** The normalizer. */
    protected final Normalizer normalizer;
    /** The analyzer. */

```Python
with open("./somefile.txt") as f:
    contents = f.read()
    print(contents)
```

Internamente, `open("./somefile.txt")` crea un objeto llamado "Context Manager".

Cuando el bloque `with` termina, se asegura de cerrar el archivo, incluso si hubo excepciones.

import java.util.Spliterator;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Table} whose contents will never change, with many other important properties detailed
 * at {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=

```Python
with open("./somefile.txt") as f:
    contents = f.read()
    print(contents)
```

Por baixo dos panos, o código `open("./somefile.txt")` cria um objeto que é chamado de "Gerenciador de Contexto".

```Python
with open("./somefile.txt") as f:
    contents = f.read()
    print(contents)
```

Underneath, the `open("./somefile.txt")` creates an object that is called a "Context Manager".

When the `with` block finishes, it makes sure to close the file, even if there were exceptions.

    }

    // Happy path: get -> release -> get returns same instance, zeroed on release
    @Test
    @DisplayName("Release stores buffer for reuse and zeroes its contents")
    void releaseStoresAndZeroesBuffer() {
        BufferCacheImpl impl = new BufferCacheImpl(2, 10);

        byte[] b = new byte[10];
        // Fill with non-zero to verify zeroing on release