code: def get_related_objects(cls, database_id: int) -> dict[str, Any]:
      database: Any = cls.find_by_id(database_id)
      datasets = database.tables
      dataset_ids = [dataset.id for dataset in datasets]
  
      charts = (
          db.session.query(Slice)
          .filter(
              Slice.datasource_id.in_(dataset_ids),
              Slice.datasource_type == DatasourceType.TABLE,
          )
          .all()
      )
      chart_ids = [chart.id for chart in charts]
  
      dashboards = (
          (
              db.session.query(Dashboard)
              .join(Dashboard.slices)
              .filter(Slice.id.in_(chart_ids))
          )
          .distinct()
          .all()
      )
  
      sqllab_tab_states = (
          db.session.query(TabState)
          .filter(TabState.database_id == database_id)
          .all()
      )
  
      return {
          "charts": charts,
          "dashboards": dashboards,
          "sqllab_tab_states": sqllab_tab_states,
      }
  
imports: from __future__ import annotations
  import logging
  from typing import Any
  from superset.daos.base import BaseDAO
  from superset.databases.filters import DatabaseFilter
  from superset.databases.ssh_tunnel.models import SSHTunnel
  from superset.extensions import db
  from superset.models.core import Database
  from superset.models.dashboard import Dashboard
  from superset.models.slice import Slice
  from superset.models.sql_lab import TabState
  from superset.utils.core import DatasourceType
  from superset.utils.ssh_tunnel import unmask_password_info
label_desc: Use image node_id 6 for calling the DatabaseDAO obj's underlying member method code with example usage: obj.get_related_objects(cls, database_id) and returns: dict