Function setTextDocumentLanguage

setTextDocumentLanguage(
document: TextDocument,
languageId: string,
): Thenable<TextDocument>
Set (and change) the language that is associated with the given document.

Note that calling this function will trigger the onDidCloseTextDocument event followed by the onDidOpenTextDocument event.
Parameters
- document: TextDocument
  The document which language is to be changed
- languageId: string
  The new language identifier.
Returns Thenable<TextDocument>
A thenable that resolves with the updated document.
- Defined in packages/plugin/src/theia.d.ts:11521