const USAGE: &str = "
rg [OPTIONS] PATTERN [PATH ...]
rg [OPTIONS] -e PATTERN ... [PATH ...]
rg [OPTIONS] -f PATTERNFILE ... [PATH ...]
rg [OPTIONS] --files [PATH ...]
rg [OPTIONS] --type-list
command | rg [OPTIONS] PATTERN
rg [OPTIONS] --help
rg [OPTIONS] --version";