Function save

save(uri: Uri): Thenable<undefined | Uri>
Saves the editor identified by the given resource and returns the resulting resource or undefined if save was not successful or no editor with the given resource was found.

Note that an editor with the provided resource must be opened in order to be saved.
Parameters
- uri: Uri
  the associated uri for the opened editor to save.
Returns Thenable<undefined | Uri>
A thenable that resolves when the save operation has finished.
- Defined in packages/plugin/src/theia.d.ts:8110