is User Accept All
This method lets you know the status of your users' consent.
It lets you know exactly whether your users have allowed everything, and only that. The negation of this method does not mean that your users have refused everything.
By clicking on the accept all button, for example, or by selecting all the information in your notice, such as stacks, purposes, features, etc. and vendors
Return
true if all consent items, stacks and vendors are allowed. false if at least one of them is not allowed null, if no data is present yet