@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getParameterKey() != null)
            sb.append("ParameterKey: ").append(getParameterKey()).append(",");
        if (getDefaultValue() != null)
            sb.append("DefaultValue: ").append(getDefaultValue()).append(",");
        if (getNoEcho() != null)
            sb.append("NoEcho: ").append(getNoEcho()).append(",");
        if (getDescription() != null)
            sb.append("Description: ").append(getDescription());
        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-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/TemplateParameter.java