`PascalCase` and `snake_case` configuration options never get migrated to eslint because `formats` variable is not used anywhere. See: https://github.com/typescript-eslint/tslint-to-eslint-config/blob/7c92c875a43018c7f5011283cf14da2a173a698f/src/converters/lintConfigs/rules/ruleConverters/variable-name.ts#L40-L63