function isMemberCall(memberName, node) {
  return (
    node.type === 'CallExpression' &&
    node.callee.type === 'MemberExpression' &&
    !node.callee.computed &&
    node.callee.property.type === 'Identifier' &&
    node.callee.property.name === memberName
  )
}
@param {string} memberName
@param {Node} node
@returns {node is CallExpression}