Result of attempting to parse a CLI value as boolean-or-string. When kind === 'boolean', value is a boolean. When kind === 'string', value is a non-empty string. When kind === 'none', no usable value was provided (undefined/null/empty).
Result of attempting to parse a CLI value as boolean-or-string. When kind === 'boolean', value is a boolean. When kind === 'string', value is a non-empty string. When kind === 'none', no usable value was provided (undefined/null/empty).