src/Iam/Admin/V1/QueryGrantableRolesResponse.php
public function setRoles($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Iam\Admin\V1\Role::class);
        $this->roles = $arr;

        return $this;
    }
public function setRoles($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Iam\Admin\V1\Role::class);
        $this->roles = $arr;

        return $this;
    }
The list of matching roles.

Generated from protobuf field <code>repeated .google.iam.admin.v1.Role roles = 1;</code>
@param \Google\Iam\Admin\V1\Role[]|\Google\Protobuf\Internal\RepeatedField $var
@return $this