class_docstr: This plan is used for storing information required for limit
  operations.
  
  Arguments:
      limit_count: ConstantValueExpression
          A ConstantValueExpression which is the count of the
          number of rows returned
code: def __hash__(self) -> int:
      return hash((super().__hash__(), self._limit_count))
  
file_path: evadb/evadb/plan_nodes/limit_plan.py
imports: from evadb.expression.constant_value_expression import ConstantValueExpression
  from evadb.plan_nodes.abstract_plan import AbstractPlan
  from evadb.plan_nodes.types import PlanOprType
label_desc: Use image node_id 4 for calling the LimitPlan obj's underlying member method code with example usage: obj.__hash__() and returns: hash