code: function hasUsingProp (propNode, prop) {
        const calleedNode = propNode.body.body.find(p =>
          p.type === 'ExpressionStatement' &&
          p.expression &&
          p.expression.callee &&
          p.expression.callee.object &&
          p.expression.callee.object.name === prop
        )
        return Boolean(calleedNode)
      }
docs: ---------------------------------------------------------------------- Helpers ---------------------------------------------------------------------- 
  Checks if the passed prop is using global api
  @param {Property} prop - Property AST node for a function expression
  @return {boolean}