public MapRunItemCounts withPending(Long pending) {
        setPending(pending);
        return this;
    }
<p>
The total number of items to process in child workflow executions that haven't started running yet.
</p>

@param pending
       The total number of items to process in child workflow executions that haven't started running yet.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/MapRunItemCounts.java