function hasShouldComponentUpdate(node) {
      const properties = astUtil.getComponentProperties(node);
      return properties.some((property) => {
        const name = astUtil.getPropertyName(property);
        return name === 'shouldComponentUpdate';
      });
    }
Checks for shouldComponentUpdate property
@param {ASTNode} node The AST node being checked.
@returns {boolean} Whether or not the property exists.