RingOfInvariants is the class of rings of invariants when a finite group, an Abelian group or a linearly reductive group acts on a polynomial ring.
The object RingOfInvariants is a type, with ancestor classes HashTable < Thing.
The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/InvariantRing/InvariantsDoc.m2:908:0.