input: from typing import List
  from collections import Counter
  
  def highest_frequency_elements_count(nums: List[int]) -> int:
      """
      Given a list of positive integers, find the total count of appearances 
      of the elements that have the highest frequency in the list.
  
      The frequency of a particular number is determined by how many times it appears in the list.
  
      Examples:
      >>> nums = [1,2,2,3,1,4]
      4
      >>> nums = [1,2,3,4,5]
      5
  
      Constraints:
      1 <= len(nums) <= 100
      1 <= nums[i] <= 100
      """
output:     counter = Counter(nums)
      max_frequency = max(counter.values())
      count = sum(freq for num, freq in counter.items() if freq == max_frequency)
      return count