Specifies the types of views that provide complete or partial
details of a Report.
Values:
REPORT_VIEW_UNSPECIFIED (0):
The report view is not specified. The API
displays the basic view by default.
REPORT_VIEW_BASIC (1):
The report view includes only basic metadata
of the Report. Useful for list views.
REPORT_VIEW_FULL (2):
The report view includes all the metadata of
the Report. Useful for preview.
REPORT_VIEW_STANDARD (3):
The report view includes the standard
metadata of an report. Useful for detail view.