Installs an opt-out ghost hint on the REPL prompt: a dim placeholder on the empty prompt and, as the user
types, a dim preview of the best Tab-completion. A no-op on non-interactive terminals (see
ghostHintEnabled) and whenever the text would not fit the line, so it can never wrap or corrupt output.
Installs an opt-out ghost hint on the REPL prompt: a dim placeholder on the empty prompt and, as the user types, a dim preview of the best Tab-completion. A no-op on non-interactive terminals (see ghostHintEnabled) and whenever the text would not fit the line, so it can never wrap or corrupt output.