code: def __hash__(self) -> int:
      return hash(
          (
              super().__hash__(),
              self._name,
              self._if_not_exists,
              self._table_ref,
              tuple(self.col_list),
              self._vector_store_type,
              tuple(self._project_expr_list),
              self._index_def,
          )
      )
  
imports: from typing import List
  from evadb.catalog.catalog_type import VectorStoreType
  from evadb.expression.abstract_expression import AbstractExpression
  from evadb.expression.function_expression import FunctionExpression
  from evadb.expression.tuple_value_expression import TupleValueExpression
  from evadb.parser.create_statement import ColumnDefinition
  from evadb.parser.statement import AbstractStatement
  from evadb.parser.table_ref import TableRef
  from evadb.parser.types import StatementType
label_desc: Use image node_id 12 for calling the CreateIndexStatement obj's underlying member method code with example usage: obj.__hash__() and returns: hash