Provide commands for the given document and range.
The document in which the command was invoked.
The selector or range for which the command was invoked. This will always be a selection if there is a currently active editor.
Context carrying additional information.
A cancellation token.
An array of commands, quick fixes, or refactorings or a thenable of such. The lack of a result can be
signaled by returning undefined, null, or an empty array.
Given a code action fill in its edit-property. Changes to
all other properties, like title, are ignored. A code action that has an edit
will not be resolved.
Note that a code action provider that returns commands, not code actions, cannot successfully implement this function. Returning commands is deprecated and instead code actions should be returned.
A code action.
A cancellation token.
The resolved code action or a thenable that resolves to such. It is OK to return the given
item. When no result is returned, the given item will be used.
The code action interface defines the contract between extensions and the light bulb feature.
A code action can be any command that is known to the system.