): Boolean

  /**
   * A chunk of response data corresponding to a pushed request.  This data must either be read or
   * skipped.
   *
   * @param streamId server-initiated stream ID: an even number.
   * @param source location of data corresponding with this stream ID.
   * @param byteCount number of bytes to read or skip from the source.
   * @param last when true, there are no data frames to follow.
   */

	}
	return ok, err
}

// RLock calls read lock REST API.
func (c *lockRESTClient) RLock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCRLock, &args)
}

// Lock calls lock REST API.
func (c *lockRESTClient) Lock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCLock, &args)
}

// RUnlock calls read unlock REST API.

                    "properties": {
                        "file": {
                            "title": "File",
                            "type": "string",
                            "description": "A file read as bytes",
                            "format": "binary",
                        }
                    },
                },
                "Body_create_upload_file_uploadfile__post": {

                                        }
                                    }
                                },
                            },
                        },
                        "summary": "Read Item Name",
                        "operationId": "read_item_name_items__item_id__name_get",
                        "parameters": [
                            {
                                "required": True,

                                        }
                                    }
                                },
                            },
                        },
                        "summary": "Read Item Name",
                        "operationId": "read_item_name_items__item_id__name_get",
                        "parameters": [
                            {
                                "required": True,

 * entries may be counted in {@link Cache#size}, but will never be visible to read or write
 * operations.
 *
 * <p>Certain cache configurations will result in the accrual of periodic maintenance tasks which
 * will be performed during write operations, or during occasional read operations in the absence of
 * writes. The {@link Cache#cleanUp} method of the returned cache will also perform maintenance, but

    return ATOMIC_HELPER.casValue(future, expect, update);
  }

  /** Returns the value of the future, using a volatile read. */
  final @Nullable Object value() {
    return valueField;
  }

  /** Returns the head of the listener stack, using a volatile read. */
  final @Nullable Listener listeners() {
    return listenersField;
  }

   *
   * <p>The recommended solution for finding the {@code minimum} of some values depends on the type
   * of your data and the number of elements you have. Read more in the Guava User Guide article on
   * <a href="https://github.com/google/guava/wiki/CollectionUtilitiesExplained#comparators">{@code
   * Comparators}</a>.
   *

        if (PLUGIN_2_0_0.equals(nsUri)) {
            org.apache.maven.api.plugin.descriptor.PluginDescriptor pd =
                    new PluginDescriptorStaxReader().read(xsr, true);
            return new PluginDescriptor(pd);
        } else {
            XmlNode node = XmlService.read(xsr);
            PlexusConfiguration cfg = XmlPlexusConfiguration.toPlexusConfiguration(node);
            return build(source, cfg);
        }
    }

* `write(daten)`: Schreibt `daten` (`str` oder `bytes`) in die Datei.
* `read(anzahl)`: Liest `anzahl` (`int`) bytes/Zeichen aus der Datei.
* `seek(versatz)`: Geht zur Position `versatz` (`int`) in der Datei.
    * Z. B. würde `await myfile.seek(0)` zum Anfang der Datei gehen.
    * Das ist besonders dann nützlich, wenn Sie `await myfile.read()` einmal ausführen und dann diese Inhalte erneut auslesen müssen.
* `close()`: Schließt die Datei.