Mirror of scalus.compiler.sir.SIRType.TypeVarKind for the surface @UplcRepr(TypeVar(...)) annotation. Kept distinct so user-code references don't pull in SIRType (which lives in the lowering layer).
Mirror of scalus.compiler.sir.SIRType.TypeVarKind for the surface @UplcRepr(TypeVar(...)) annotation. Kept distinct so user-code references don't pull in SIRType (which lives in the lowering layer).