Check the relevant Selene documentation page for my information on - [x] constant_table_comparison - [x] duplicate_keys - [ ] empty_if - [ ] empty_loop - [ ] global_usage - [ ] high_cyclomatic_complexity - [ ] if_same_then_else - [ ] ifs_same_cond - [ ] manual_table_clone - [ ] mismatched_arg_count - [ ] mixed_table - [ ] multiple_statements - [ ] must_use - [ ] shadowing - [ ] suspicious_reverse_loop - [ ] type_check_inside_call - [ ] unbalanced_assignments - [ ] undefined_variable - [ ] unscoped_variables - [x] unused_variable