An inline completion item represents a text snippet that is proposed inline to complete text that is being typed.
A text that is used to decide if this inline completion should be shown. When
the InlineCompletionItem.insertText is used.
An inline completion is shown if the text to replace is a prefix of the filter text.
The text to replace the range with. Must be set. Is used both for the preview and the accept operation.
The range to replace. Must begin and end on the same line.
Prefer replacements over insertions to provide a better experience when the user deletes typed text.