code: function hasMetaDocsCategory(metaPropertyNode) {
      const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value);
  
      return metaDocs && getPropertyFromObject("category", metaDocs.value);
  }
docs: Whether this `meta` ObjectExpression has a `docs.category` property defined or not.
  
  @param {ASTNode} metaPropertyNode The `meta` ObjectExpression for this rule.
  @returns {boolean} `true` if a `docs.category` property exists.