src/Cloud/Iam/V1/Binding.php
public function setMembers($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::STRING);
        $this->members = $arr;

        return $this;
    }
public function setMembers($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::STRING);
        $this->members = $arr;

        return $this;
    }
Specifies the identities requesting access for a Cloud Platform resource.
`members` can have the following values:
* `allUsers`: A special identifier that represents anyone who is
on the internet; with or without a Google account.
* `allAuthenticatedUsers`: A special identifier that represents anyone
who is authenticated with a Google account or a service account.
* `user:{emailid}`: An email address that represents a specific Google
account. For example, `alice&#64;gmail.com` or `joe&#64;example.com`.
* `serviceAccount:{emailid}`: An email address that represents a service
account. For example, `my-other-app&#64;appspot.gserviceaccount.com`.
* `group:{emailid}`: An email address that represents a Google group.
For example, `admins&#64;example.com`.
* `domain:{domain}`: A Google Apps domain name that represents all the
users of that domain. For example, `google.com` or `example.com`.

Generated from protobuf field <code>repeated string members = 2;</code>
@param string[]|\Google\Protobuf\Internal\RepeatedField $var
@return $this