Here is a list of some commands, variables, and licensing details:
 MIT Licensed CodeThis group of code–the attributes and stub–is licensed differently than Minibuffer
 CommandsThese are Minibuffer "commands" that may be executed by typing M-x command-name or keys may be bound to them
 VariablesThese are "variables" exposed to Minibuffer's M-x describe-variable and M-x edit-variable commands