Properties
Optional action
action: string | object
Optional choices
choices: string | string[]
Optional constant
constant: any
Optional defaultValue
defaultValue: any
Optional dest
dest: undefined | string
Optional help
help: undefined | string
Optional metavar
metavar: undefined | string
Optional nargs
nargs: string | number
Optional optionStrings
optionStrings: string[]
Optional required
required: undefined | false | true
Optional type
type: string | Function