Index - I
| If | Servant |
| inject | Servant |
| IsElem | Servant |
| IsElem' | Servant |
| IsIn | Servant |
| IsMember | Servant |
| IsSecure | Servant |
| IsServerResource | Servant.Server.UVerb, Servant.Server, Servant |
| IsStrictSubAPI | Servant |
| IsSubAPI | Servant |
| IsSubList | Servant |
| IsWaiBody | Servant.Server.Internal.ResponseRender |