An expression for filtering the results of the request. -
dataset_metadata - for existence of the case (e.g.
image_classification_dataset_metadata:*). Some examples of
using the filter are: -
translation_dataset_metadata:* --> The dataset has
translation_dataset_metadata.
A token identifying a page of results for the server to return
Typically obtained via [ListDatasetsResponse.next_page_token
][google.cloud.automl.v1.ListDatasetsResponse.next_page_toke
n] of the previous [AutoMl.ListDatasets][google.cloud.automl.v
1.AutoMl.ListDatasets] call.