public String getApproximationDimension() {
        return this.approximationDimension;
    }
<p>
The service to evaluate for the usage records. You can choose resource-level data at daily granularity, or hourly
granularity with or without resource-level data.
</p>

@return The service to evaluate for the usage records. You can choose resource-level data at daily granularity,
        or hourly granularity with or without resource-level data.
@see ApproximationDimension
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/GetApproximateUsageRecordsRequest.java