GetPageText.
        [Preview API] Gets metadata or content of the wiki page for the provided path. Content negotiation is done based on the `Accept` header sent in the request.
        :param str project: Project ID or project name
        :param str wiki_identifier: Wiki Id or name.
        :param str path: Wiki page path.
        :param str recursion_level: Recursion level for subpages retrieval. Defaults to `None` (Optional).
        :param :class:`<GitVersionDescriptor> <azure.devops.v5_1.wiki.models.GitVersionDescriptor>` version_descriptor: GitVersionDescriptor for the page. Defaults to the default branch (Optional).
        :param bool include_content: True to include the content of the page in the response for Json content type. Defaults to false (Optional)
        :rtype: object

def get_page_text(self, project, wiki_identifier, path=None, recursion_level=None, version_descriptor=None, include_content=None, **kwargs):
        """GetPageText.
        [Preview API] Gets metadata or content of the wiki page for the provided path. Content negotiation is done based on the `Accept` header sent in the request.
        :param str project: Project ID or project name
        :param str wiki_identifier: Wiki Id or name.
        :param str path: Wiki page path.
        :param str recursion_level: Recursion level for subpages retrieval. Defaults to `None` (Optional).
        :param :class:`<GitVersionDescriptor> <azure.devops.v5_1.wiki.models.GitVersionDescriptor>` version_descriptor: GitVersionDescriptor for the page. Defaults to the default branch (Optional).
        :param bool include_content: True to include the content of the page in the response for Json content type. Defaults to false (Optional)
        :rtype: object
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if wiki_identifier is not None:
            route_values['wikiIdentifier'] = self._serialize.url('wiki_identifier', wiki_identifier, 'str')
        query_parameters = {}
        if path is not None:
            query_parameters['path'] = self._serialize.query('path', path, 'str')
        if recursion_level is not None:
            query_parameters['recursionLevel'] = self._serialize.query('recursion_level', recursion_level, 'str')
        if version_descriptor is not None:
            if version_descriptor.version_type is not None:
                query_parameters['versionDescriptor.versionType'] = version_descriptor.version_type
            if version_descriptor.version is not None:
                query_parameters['versionDescriptor.version'] = version_descriptor.version
            if version_descriptor.version_options is not None:
                query_parameters['versionDescriptor.versionOptions'] = version_descriptor.version_options
        if include_content is not None:
            query_parameters['includeContent'] = self._serialize.query('include_content', include_content, 'bool')
        response = self._send(http_method='GET',
                              location_id='25d3fbc7-fe3d-46cb-b5a5-0b6f79caf27b',
                              version='5.1-preview.1',
                              route_values=route_values,
                              query_parameters=query_parameters,
                              accept_media_type='text/plain')
        if "callback" in kwargs:
            callback = kwargs["callback"]
        else:
            callback = None
        return self._client.stream_download(response, callback=callback)