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  type_czech = TypeCzech('THROW-EXCEPTIONS')

  var indent_start =  "---------------------------------"

  var indent_tc =  NL+indent_start

  function PRE_A_one_name()  { log(indent_tc + 'PRE_A_one_name()') }
  function POST_A_one_name() { log(indent_tc + 'POST_A_one_name()') }
  function PRE_a_method()    { log(indent_tc + 'PRE PRE_a_method()') }
  function POST_a_method()   { log(indent_tc + 'POST_a_method()') }

  function LINKUP_A_one_name_before_extend(){ 
    const A_PREs =  { A_one_name: PRE_A_one_name,  a_method: PRE_a_method }
    const A_POSTs = { A_one_name: POST_A_one_name, a_method: POST_a_method }
    A_one_name = type_czech.linkUp(A_one_name, A_PREs, A_POSTs)
  }

  function PRE_B_first_last()  { log(indent_tc + 'PRE_B_first_last()') }
  function POST_B_first_last() { log(indent_tc + 'POST_B_first_last()') }
  function PRE_b_function()    { log(indent_tc + 'PRE_b_function()') }
  function POST_b_function()   { log(indent_tc + 'POST_b_function()') }

  function LINKUP_B_first_last_before_extend(){ 
    const B_PREs =  { B_first_last: PRE_B_first_last, b_function: PRE_b_function }
    const B_POSTs = { B_first_last: POST_B_first_last, b_function: POST_b_function }
    B_first_last = type_czech.linkUp(B_first_last, B_PREs, B_POSTs)
  }

  function PRE_C_complete_names()  { log(indent_start + 'PRE_C_complete_names()') }
  function POST_C_complete_names() { log(indent_tc + 'POST_C_complete_names()') }
  function PRE_c_routine()         { log(indent_tc + 'PRE_c_routine()') }
  function POST_c_routine()        { log(indent_tc + 'POST_c_routine') }


  function LINKUP_C_complete_names_before_extend(){ 
    const C_PREs =  { C_complete_names: PRE_C_complete_names, c_routine: PRE_c_routine }
    const C_POSTs = { C_complete_names: POST_C_complete_names, c_routine: POST_c_routine }
    C_complete_names = type_czech.linkUp(C_complete_names, C_PREs, C_POSTs)
  }