OptionalapplySpecifies whether the client supports CompletionList.applyKind to
indicate how supported values from completionList.itemDefaults
and completion will be combined.
If a client supports applyKind it must support it for all fields
that it supports that are listed in CompletionList.applyKind. This
means when clients add support for new/future fields in completion
items the MUST also support merge for them if those fields are
defined in CompletionList.applyKind.
OptionalitemThe client supports the following itemDefaults on a completion list.
The value lists the supported property names of the
CompletionList.itemDefaults object. If omitted
no properties are supported.
The client supports the following
CompletionListspecific capabilities.Since
3.17.0