original_string: public static function processValue($value, $allowServices = false)
      {
          if (\is_array($value)) {
              foreach ($value as $k => $v) {
                  $value[$k] = static::processValue($v, $allowServices);
              }
  
              return $value;
          }
  
          if ($value instanceof ReferenceConfigurator) {
              return new Reference($value->id, $value->invalidBehavior);
          }
  
          if ($value instanceof InlineServiceConfigurator) {
              $def = $value->definition;
              $value->definition = null;
  
              return $def;
          }
  
          if ($value instanceof self) {
              throw new InvalidArgumentException(sprintf('"%s()" can be used only at the root of service configuration files.', $value::FACTORY));
          }
  
          switch (true) {
              case null === $value:
              case is_scalar($value):
                  return $value;
  
              case $value instanceof ArgumentInterface:
              case $value instanceof Definition:
              case $value instanceof Expression:
              case $value instanceof Parameter:
              case $value instanceof Reference:
                  if ($allowServices) {
                      return $value;
                  }
          }
  
          throw new InvalidArgumentException(sprintf('Cannot use values of type "%s" in service configuration files.', \is_object($value) ? \get_class($value) : \gettype($value)));
      }
code: public static function processValue($value, $allowServices = false)
      {
          if (\is_array($value)) {
              foreach ($value as $k => $v) {
                  $value[$k] = static::processValue($v, $allowServices);
              }
  
              return $value;
          }
  
          if ($value instanceof ReferenceConfigurator) {
              return new Reference($value->id, $value->invalidBehavior);
          }
  
          if ($value instanceof InlineServiceConfigurator) {
              $def = $value->definition;
              $value->definition = null;
  
              return $def;
          }
  
          if ($value instanceof self) {
              throw new InvalidArgumentException(sprintf('"%s()" can be used only at the root of service configuration files.', $value::FACTORY));
          }
  
          switch (true) {
              case null === $value:
              case is_scalar($value):
                  return $value;
  
              case $value instanceof ArgumentInterface:
              case $value instanceof Definition:
              case $value instanceof Expression:
              case $value instanceof Parameter:
              case $value instanceof Reference:
                  if ($allowServices) {
                      return $value;
                  }
          }
  
          throw new InvalidArgumentException(sprintf('Cannot use values of type "%s" in service configuration files.', \is_object($value) ? \get_class($value) : \gettype($value)));
      }
code_tokens: public static function processValue ( $ value , $ allowServices = false ) { if ( \ is_array ( $ value ) ) { foreach ( $ value as $ k => $ v ) { $ value [ $ k ] = static :: processValue ( $ v , $ allowServices ) ; } return $ value ; } if ( $ value instanceof ReferenceConfigurator ) { return new Reference ( $ value -> id , $ value -> invalidBehavior ) ; } if ( $ value instanceof InlineServiceConfigurator ) { $ def = $ value -> definition ; $ value -> definition = null ; return $ def ; } if ( $ value instanceof self ) { throw new InvalidArgumentException ( sprintf ( '"%s()" can be used only at the root of service configuration files.' , $ value :: FACTORY ) ) ; } switch ( true ) { case null === $ value : case is_scalar ( $ value ) : return $ value ; case $ value instanceof ArgumentInterface : case $ value instanceof Definition : case $ value instanceof Expression : case $ value instanceof Parameter : case $ value instanceof Reference : if ( $ allowServices ) { return $ value ; } } throw new InvalidArgumentException ( sprintf ( 'Cannot use values of type "%s" in service configuration files.' , \ is_object ( $ value ) ? \ get_class ( $ value ) : \ gettype ( $ value ) ) ) ; }
docstring: Checks that a value is valid, optionally replacing Definition and Reference configurators by their configure value.
  
  @param mixed $value
  @param bool  $allowServices whether Definition and Reference are allowed; by default, only scalars and arrays are
  
  @return mixed the value, optionally cast to a Definition/Reference
docstring_tokens: Checks that a value is valid optionally replacing Definition and Reference configurators by their configure value .