returns info associated with given metaclass

(metaclass-add :test {:metatype :value :data “hello”})

(metaclass :test) => {:id :test :metatype :value :data “hello”}

adds metaclass information

(metaclass-add :test {:metatype :value})

removes metaclass information

(metaclass-remove :test)

returns metaprops info associated with the node

(metaprops-add :test {:tag :test/node})

(metaprops :test/node) => {:tag :test/node, :metaclass :test, :metatype :value}

adds metaprops information

(metaprops-add :test {:tag :test/node})

adds metaclass information

(metaprops-install {:test/a {:tag :test/a :metaclass :dom/value :metatype :dom/value}})

removes metaprops information

(metaprops-remove :test/node)