414. Find Most Frequent Element Count

Given an array of integers nums, return the frequency (count) of the element that appears most often in the array. If there is a tie for the most frequent element, return the count of any of those elements.

Example 1:
Input: nums = [1, 3, 2, 1, 4, 1]
Output: 3 (The number 1 appears 3 times)

Example 2:
Input: nums = [5, 5, 2, 2, 9]
Output: 2 (Both 5 and 2 appear 2 times)

Constraints:
- The length of nums is between 1 and $10^5$.
- Elements are between $-10^9$ and $10^9$.

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