docs: func (c *Cloud9) UpdateEnvironmentMembershipRequest(input *UpdateEnvironmentMembershipInput) (req *request.Request, output *UpdateEnvironmentMembershipOutput) {
  	op := &request.Operation{
  		Name:       opUpdateEnvironmentMembership,
  		HTTPMethod: "POST",
  		HTTPPath:   "/",
  	}
  
  	if input == nil {
  		input = &UpdateEnvironmentMembershipInput{}
  	}
  
  	output = &UpdateEnvironmentMembershipOutput{}
  	req = c.newRequest(op, input, output)
  	return
  }