Defines a filter used in DescribeInstancePatchStatesForPatchGroup to scope down the information returned by the API.
Example: To filter for all instances in a patch group having more than three patches with a FailedCount status, use the following for the filter:
Value for Key: FailedCount
Value for Type: GreaterThan
Value for Values:
{
"Key": "string",
"Values": [],
"Type": "Equal"
}