/** {@inheritdoc} */
public function defineProperty(string $propertyName) : PropertyBuilderInterface
{
if (array_key_exists($propertyName, $this->propertiesCollection)) {
throw new PropertyDefinitionAlreadyExistsException();
}
$propertyDefinition = new PropertyDefinition($this);
$propertyDefinition->setPropertyName($propertyName);
$this->propertiesCollection[$propertyName] = $propertyDefinition;
return $propertyDefinition;
}
