whole_func_string: function isBreakingChange({ header, body, footer }) {
    const re = /^BREAKING\s+CHANGES?:\s+/;
    return (
      re.test(header.subject) || re.test(body || '') || re.test(footer || '')
    );
  }
func_code_string: function isBreakingChange({ header, body, footer }) {
    const re = /^BREAKING\s+CHANGES?:\s+/;
    return (
      re.test(header.subject) || re.test(body || '') || re.test(footer || '')
    );
  }
func_documentation_string: /* eslint-disable no-param-reassign