Request message for KnowledgeBases.ListKnowledgeBases.
Required. The project to list of knowledge bases for. Format: ``projects/
The maximum number of items to return in a single page. By default 10 and at most 100.
The next_page_token value returned from a previous list request.
The filter expression used to filter knowledge bases returned by the list method. The expression has the following syntax: [AND ] ... The following fields and operators are supported: - display_name with has(:) operator - language_code with equals(=) operator Examples: - 'language_code=en-us' matches knowledge bases with en-us language code. - 'display_name:articles' matches knowledge bases whose display name contains "articles". - 'display_name:"Best Articles"' matches knowledge bases whose display name contains "Best Articles". - 'language_code=en-gb AND display_name=articles' matches all knowledge bases whose display name contains "articles" and whose language code is "en-gb". Note: An empty filter string (i.e. "") is a no-op and will result in no filtering. For more information about filtering, see `API Filtering