@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getFailureCode() != null)
            sb.append("FailureCode: ").append(getFailureCode()).append(",");
        if (getSampleFailureReason() != null)
            sb.append("SampleFailureReason: ").append(getSampleFailureReason()).append(",");
        if (getFailureCount() != null)
            sb.append("FailureCount: ").append(getFailureCount());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-robomaker/src/main/java/com/amazonaws/services/robomaker/model/WorldFailure.java