parameters: (self, next_token=None, max_results=None)
return_statement: return self._make_request(
              action='ListClusters',
              verb='POST',
              path='/', params=params)
docstring: Returns a list of existing clusters.
  
          :type next_token: string
          :param next_token: The `nextToken` value returned from a previous
              paginated `ListClusters` request where `maxResults` was used and
              the results exceeded the value of that parameter. Pagination
              continues from the end of the previous results that returned the
              `nextToken` value. This value is `null` when there are no more
              results to return.
  
          :type max_results: integer
          :param max_results: The maximum number of cluster results returned by
              `ListClusters` in paginated output. When this parameter is used,
              `ListClusters` only returns `maxResults` results in a single page
              along with a `nextToken` response element. The remaining results of
              the initial request can be seen by sending another `ListClusters`
              request with the returned `nextToken` value. This value can be
              between 1 and 100. If this parameter is not used, then
              `ListClusters` returns up to 100 results and a `nextToken` value if
              applicable.
docstring_summary: Returns a list of existing clusters.
docstring_tokens: Returns a list of existing clusters .
function: def list_clusters(self, next_token=None, max_results=None):
          """
          Returns a list of existing clusters.
  
          :type next_token: string
          :param next_token: The `nextToken` value returned from a previous
              paginated `ListClusters` request where `maxResults` was used and
              the results exceeded the value of that parameter. Pagination
              continues from the end of the previous results that returned the
              `nextToken` value. This value is `null` when there are no more
              results to return.
  
          :type max_results: integer
          :param max_results: The maximum number of cluster results returned by
              `ListClusters` in paginated output. When this parameter is used,
              `ListClusters` only returns `maxResults` results in a single page
              along with a `nextToken` response element. The remaining results of
              the initial request can be seen by sending another `ListClusters`
              request with the returned `nextToken` value. This value can be
              between 1 and 100. If this parameter is not used, then
              `ListClusters` returns up to 100 results and a `nextToken` value if
              applicable.
  
          """
          params = {}
          if next_token is not None:
              params['nextToken'] = next_token
          if max_results is not None:
              params['maxResults'] = max_results
          return self._make_request(
              action='ListClusters',
              verb='POST',
              path='/', params=params)
function_tokens: def list_clusters ( self , next_token = None , max_results = None ) : params = { } if next_token is not None : params [ 'nextToken' ] = next_token if max_results is not None : params [ 'maxResults' ] = max_results return self . _make_request ( action = 'ListClusters' , verb = 'POST' , path = '/' , params = params )