The capabilities provided by the client (editor or tool)
OptionalclientInformation about the client
OptionalinitializationUser provided initialization options.
OptionallocaleThe locale the client is currently showing the user interface in. This must not necessarily be the locale of the operating system.
Uses IETF language tags as the value's syntax (See https://en.wikipedia.org/wiki/IETF_language_tag)
The process Id of the parent process that started the server.
Is null if the process has not been started by another process.
If the parent process is not alive then the server should exit.
OptionalrootThe rootPath of the workspace. Is null if no folder is open.
The rootUri of the workspace. Is null if no
folder is open. If both rootPath and rootUri are set
rootUri wins.
OptionaltraceThe initial trace setting. If omitted trace is disabled ('off').
OptionalworkAn optional token that a server can use to report work done progress.
The initialize parameters