/gumtree/benchmark/datasets/defects4j/before/Cli/16

• src_java_org_apache_commons_cli2_Option.java
• src_java_org_apache_commons_cli2_commandline_WriteableCommandLineImpl.java
• src_java_org_apache_commons_cli2_option_GroupImpl.java
• src_java_org_apache_commons_cli2_option_OptionImpl.java