public File::isTemporary() Returns TRUE

public File::setMimeType($mime) Sets the

public FileInterface::setMimeType($mime) Sets

public File::getCreatedTime() Returns the

public FileInterface::setTemporary() Sets

Defines an interface for file entity storage classes. Hierarchy interface \Drupal\Core\Entity\

public FileInterface::getFileUri() Returns

public FileUsageBase::add(FileInterface $file, $module, $type

public DatabaseFileUsageBackend::__

Provides views data for the file entity type. Hierarchy class \Drupal\views\