Optional
Readonly
clusterThe cluster argument prefix. If not present, cluster letters will not appear in usage statements.
Optional
Readonly
optionThe option filter. If not present, all options will be included respecting the order of their definitions.
Optional
Readonly
positionalThe marker(s) to delimit positional arguments (e.g. '--'
).
If not present, no marker will appear in usage statements.
Optional
Readonly
programThe program name. If not present or empty, usage statements will contain no program name.
Optional
Readonly
stdinThe symbol for the standard input (e.g., '-'
).
If not present, the standard input will not appear in usage statements.
The formatter flags.