| IsParameterArrayOf(IParameterSymbol, SpecialType, SpecialType, SpecialType) | Returns true if the parameter was declared as a parameter array that has one of specified element types. |
| IsParameterArrayOf(IParameterSymbol, SpecialType, SpecialType) | Returns true if the parameter was declared as a parameter array that has one of specified element types. |
| IsParameterArrayOf(IParameterSymbol, SpecialType) | Returns true if the parameter was declared as a parameter array that has a specified element type. |
| IsRefOrOut(IParameterSymbol) | Returns true if the parameter was declared as "ref" or "out" parameter. |