RuboCop configuration files contain cops/parameters config consumed by RuboCop to fine tune the analysis as desired. Since RuboCop is updated frequently, it is recommended to revisit the config file frequently and update any obsolete cops/parameters.
Use of debugger in production is highly discouraged, and should be removed.
:false symbols found in the source, and are usually a result of typos.
Params to the method are passed without parentheses. The brace form of a block will bind to the last parameter, not to the overall invocation.