code: def expression_schema(self, expressions, **kwargs):
      return self._async_queue(
          "expression_schema", "table_method", expressions, **kwargs
      )
  
imports: import asyncio
  from functools import partial
  from .dispatch import async_queue, subscribe, unsubscribe
  from .view_api import view
label_desc: Use image node_id 11 for calling the PerspectiveTableProxy obj's underlying member method code with example usage: obj.expression_schema(expressions) and returns: self