Function decide_linked_worktree 

pub fn decide_linked_worktree(arguments: &[OsString]) -> LinkedWorktreeDecision

What: Decide from the argument list. &[OsString] borrows the arguments, already free of wrapper controls. Why: A command that is not guarded, or that Git itself refuses, needs no measurement.

In TS you’d write (pseudocode):

function decideLinkedWorktree(args: string[]): LinkedWorktreeDecision;