bash_completion

const (
	ENV_COMP_LINE       EnvName = "COMP_LINE"       // The current command line.
	ENV_COMP_POINT      EnvName = "COMP_POINT"      // The index of the current cursor position relative to the beginning of the current command.
	ENV_COMP_KEY        EnvName = "COMP_KEY"        // The key (or final key of a key sequence) used to invoke the current completion function.
	ENV_COMP_TYPE       EnvName = "COMP_TYPE"       // Set to an integer value corresponding to the type of completion attempted that caused a completion function to be called: TAB, for normal completion, ‘?’, for listing completions after successive tabs, ‘!’, for listing alternatives on partial word completion, ‘@’, to list completions if the word is not unmodified, or ‘%’, for menu completion.
	ENV_COMP_WORDS      EnvName = "COMP_WORDS"      // An array variable consisting of the individual words in the current command line. The line is split into words as Readline would split it, using COMP_WORDBREAKS as described above.
	ENV_COMP_CWORD      EnvName = "COMP_CWORD"      // An index into ${COMP_WORDS} of the word containing the current cursor position.
	ENV_COMP_WORDBREAKS EnvName = "COMP_WORDBREAKS" // The set of characters that the Readline library treats as word separators when performing word completion. If COMP_WORDBREAKS is unset, it loses its special properties, even if it is subsequently reset.
)