code: def test_issue_21532():
      f = Function("f")
      g = Function("g")
      FUNC_F, FUNC_G = symbols("FUNC_F, FUNC_G")
      assert f(x).count_ops(visual=True) == FUNC_F
      assert g(x).count_ops(visual=True) == FUNC_G
  
file_path: sympy/sympy/core/tests/test_count_ops.py
imports: from sympy.concrete.summations import Sum
  from sympy.core.basic import Basic
  from sympy.core.function import Derivative, Function, count_ops
  from sympy.core.numbers import I, Rational, pi
  from sympy.core.relational import Eq, Rel
  from sympy.core.singleton import S
  from sympy.core.symbol import Symbol, symbols
  from sympy.functions.elementary.exponential import exp
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.integrals.integrals import Integral
  from sympy.logic.boolalg import And, Equivalent, ITE, Implies, Nand, Nor, Not, Or, Xor
  from sympy.matrices.expressions.matexpr import MatrixSymbol
  from sympy.core.containers import Tuple
label_desc: Use image node_id 4 for calling a global function with example usage: test_issue_21532() without return types