-casts << {long: 'keys', short: 'k', type: 'list', mandatory: false, default: nil, allowed: nil, disallowed: nil}
-casts << {long: 'no_keys', short: 'K', type: 'list', mandatory: false, default: nil, allowed: nil, disallowed: nil}
+casts << {long: 'keys', short: 'k', type: 'list', mandatory: false, default: nil, allowed: nil, disallowed: nil}
+casts << {long: 'no_keys', short: 'K', type: 'list', mandatory: false, default: nil, allowed: nil, disallowed: nil}
+casts << {long: 'no_stream', short: 'x', type: 'flag', mandatory: false, default: nil, allowed: nil, disallowed: nil}
+casts << {long: 'data_out', short: 'o', type: 'file', mandatory: false, default: nil, allowed: nil, disallowed: nil}