public java.util.List<String> getParameterNames() {
        return parameterNames;
    }
<p>
An array of parameter names to reset to their default values. If AllParameters is true, do not use
ParameterNames. If AllParameters is false, you must specify the name of at least one parameter to reset.
</p>

@return An array of parameter names to reset to their default values. If AllParameters is true, do not use
        ParameterNames. If AllParameters is false, you must specify the name of at least one parameter to reset.
aws-java-sdk-memorydb/src/main/java/com/amazonaws/services/memorydb/model/ResetParameterGroupRequest.java