public Credentials withSessionToken(String sessionToken) {
        setSessionToken(sessionToken);
        return this;
    }
<p>
The Session Token portion of the credentials
</p>

@param sessionToken
       The Session Token portion of the credentials
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cognitoidentity/src/main/java/com/amazonaws/services/cognitoidentity/model/Credentials.java