NoFileCompletion returns a function that provides completion suggestions without file completion.

SuggestArgs returns a function that uses the slice of valid argument functions vfs to provide completion suggestions for the passed command line arguments.

SuggestCandidates returns a function that selects all items from the list of candidates cs which have the prefix toComplete.

SuggestCandidatesCtx returns a function that uses the candidate function cf to obtain a list of completion candidates in the context of previously selected arguments and flags.

SuggestCandidatesF returns a function that calls the candidate function cf to obtain a list of completion candidates.

SuggestNothing returns a function that provides no suggestions.