def to_s(indent: 1, eol: $/)
            content = ""
            if self.dictionary?
                content << TOKENS.first << eol << @dictionary.to_s(indent: indent, eol: eol) << eol
            end

            content << XREF_TOKEN << eol << @startxref.to_s << eol << TOKENS.last << eol

            content
        end
def to_s(indent: 1, eol: $/)
            content = ""
            if self.dictionary?
                content << TOKENS.first << eol << @dictionary.to_s(indent: indent, eol: eol) << eol
            end

            content << XREF_TOKEN << eol << @startxref.to_s << eol << TOKENS.last << eol

            content
        end
Outputs self into PDF code.