public void setPrincipalId(String principalId) {
        this.principalId = principalId;
    }
<p>
The principal ID. This filter is only valid when using Nimble Studio credentials and should match the user ID in
the credentials of the caller.
</p>

@param principalId
       The principal ID. This filter is only valid when using Nimble Studio credentials and should match the user
       ID in the credentials of the caller.
aws-java-sdk-deadline/src/main/java/com/amazonaws/services/deadline/model/ListQueuesRequest.java