@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getLastModified() != null)
            sb.append("LastModified: ").append(getLastModified()).append(",");
        if (getFunctionArn() != null)
            sb.append("FunctionArn: ").append(getFunctionArn()).append(",");
        if (getMaximumRetryAttempts() != null)
            sb.append("MaximumRetryAttempts: ").append(getMaximumRetryAttempts()).append(",");
        if (getMaximumEventAgeInSeconds() != null)
            sb.append("MaximumEventAgeInSeconds: ").append(getMaximumEventAgeInSeconds()).append(",");
        if (getDestinationConfig() != null)
            sb.append("DestinationConfig: ").append(getDestinationConfig());
        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-lambda/src/main/java/com/amazonaws/services/lambda/model/FunctionEventInvokeConfig.java