public function getIndentationColumnIndex()
    {
        if (null === $this->indentationColumnIndex) {
            $field = $this->getGenerator()->getFromYaml('builders.nested_list.indentation.field');
            if (!$field) {
                return $this->indentationColumnIndex = 0;
            }

            $this->indentationColumnIndex = array_search($field, array_keys($this->getColumns()));
        }

        return $this->indentationColumnIndex;
    }
public function getIndentationColumnIndex()
    {
        if (null === $this->indentationColumnIndex) {
            $field = $this->getGenerator()->getFromYaml('builders.nested_list.indentation.field');
            if (!$field) {
                return $this->indentationColumnIndex = 0;
            }

            $this->indentationColumnIndex = array_search($field, array_keys($this->getColumns()));
        }

        return $this->indentationColumnIndex;
    }
public function getIndentationColumnIndex ( ) { if ( null === $ this -> indentationColumnIndex ) { $ field = $ this -> getGenerator ( ) -> getFromYaml ( 'builders.nested_list.indentation.field' ) ; if ( ! $ field ) { return $ this -> indentationColumnIndex = 0 ; } $ this -> indentationColumnIndex = array_search ( $ field , array_keys ( $ this -> getColumns ( ) ) ) ; } return $ this -> indentationColumnIndex ; }
Get the indentation field that should be used.
No validity is made uppon the field name.

@return mixed
Get the indentation field that should be used . No validity is made uppon the field name .