function isThisDotProps(node) {
  return !!node
    && node.type === 'MemberExpression'
    && astUtil.unwrapTSAsExpression(node.object).type === 'ThisExpression'
    && node.property.name === 'props';
}
Checks if the node is `this.props`
@param {ASTNode|undefined} node
@returns {boolean}