toString method
A string representation of this object.
Some classes have a default textual representation,
often paired with a static parse function (like int.parse).
These classes will provide the textual representation as
their string representation.
Other classes have no meaningful textual representation
that a program will care about.
Such classes will typically override toString to provide
useful information when inspecting the object,
mainly for debugging or logging.
Implementation
@override
String toString() =>
'MmOpenGraph[type=$type, url=$url, title=$title, description=$description, determiner=$determiner, siteName=$siteName, locale=$locale, localesAlternate=$localesAlternate, images=$images, videos=$videos, audios=$audios, article=$article, book=$book, profile=$profile]';