internal bool Equals(FunctionPointerParameterSymbol other, TypeCompareKind compareKind) => other.Ordinal == Ordinal && _containingSymbol.Equals(other._containingSymbol, compareKind);
internal bool Equals(FunctionPointerParameterSymbol other, TypeCompareKind compareKind, IReadOnlyDictionary <TypeParameterSymbol, bool>?isValueTypeOverride) => other.Ordinal == Ordinal && _containingSymbol.Equals(other._containingSymbol, compareKind, isValueTypeOverride);