public java.util.List<Field> getFields() {
        if (fields == null) {
            fields = new com.amazonaws.internal.SdkInternalList<Field>();
        }
        return fields;
    }
<p>
Key-value pairs that define the properties of the ReportTaskProgressInput object.
</p>

@return Key-value pairs that define the properties of the ReportTaskProgressInput object.
aws-java-sdk-datapipeline/src/main/java/com/amazonaws/services/datapipeline/model/ReportTaskProgressRequest.java