public java.util.List<ParameterNameValue> getParameterNameValues() {
        if (parameterNameValues == null) {
            parameterNameValues = new com.amazonaws.internal.SdkInternalList<ParameterNameValue>();
        }
        return parameterNameValues;
    }
<p>
An array of parameter names to reset to their default values. If <code>ResetAllParameters</code> is
<code>true</code>, do not use <code>ParameterNameValues</code>. If <code>ResetAllParameters</code> is
<code>false</code>, 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 <code>ResetAllParameters</code> is
        <code>true</code>, do not use <code>ParameterNameValues</code>. If <code>ResetAllParameters</code> is
        <code>false</code>, you must specify the name of at least one parameter to reset.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ResetCacheParameterGroupRequest.java