public void setRoleAliasDescription(RoleAliasDescription roleAliasDescription) {
        this.roleAliasDescription = roleAliasDescription;
    }
<p>
The role alias description.
</p>

@param roleAliasDescription
       The role alias description.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/DescribeRoleAliasResult.java