@Override
    public RoleInfo clone() {
        try {
            return (RoleInfo) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new IllegalStateException(
                    "Got a CloneNotSupportedException from Object.clone() "
                    + "even though we're Cloneable!", e);
        }
    }
Returns a string representation of this object; useful for testing and
debugging.

@return A string representation of this object.
@see java.lang.Object#toString()
aws-java-sdk-core/src/main/java/com/amazonaws/auth/profile/internal/securitytoken/RoleInfo.java