public function get($input_format, $output_format)
    {
        return new Definition(
            $this->format_collection[$input_format],
            $this->format_collection[$output_format]
        );
    }
public function get($input_format, $output_format)
    {
        return new Definition(
            $this->format_collection[$input_format],
            $this->format_collection[$output_format]
        );
    }
public function get ( $ input_format , $ output_format ) { return new Definition ( $ this -> format_collection [ $ input_format ] , $ this -> format_collection [ $ output_format ] ) ; }
Creates a definition of the given input and output formats.

@param string $input_format
@param string $output_format

@return Definition
Creates a definition of the given input and output formats .