public java.util.List<InstancePatchStateFilter> getFilters() {
        if (filters == null) {
            filters = new com.amazonaws.internal.SdkInternalList<InstancePatchStateFilter>();
        }
        return filters;
    }
<p>
Each entry in the array is a structure containing:
</p>
<ul>
<li>
<p>
Key (string between 1 and 200 characters)
</p>
</li>
<li>
<p>
Values (array containing a single string)
</p>
</li>
<li>
<p>
Type (string "Equal", "NotEqual", "LessThan", "GreaterThan")
</p>
</li>
</ul>

@return Each entry in the array is a structure containing:</p>
        <ul>
        <li>
        <p>
        Key (string between 1 and 200 characters)
        </p>
        </li>
        <li>
        <p>
        Values (array containing a single string)
        </p>
        </li>
        <li>
        <p>
        Type (string "Equal", "NotEqual", "LessThan", "GreaterThan")
        </p>
        </li>
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/DescribeInstancePatchStatesForPatchGroupRequest.java