// occurrences of elements.
	for etag, count := range etagOccurrenceMap {
		if count < maxima {
			continue
		}

		// We are at or above maxima
		if count > maxima {
			maxima = count
			latest = etag
		}
	}

	// Return the collected common max time, with maxima
	return latest, maxima
}

// commonTime returns a maximally occurring time from a list of time.

Utilizar `UploadFile` tem várias vantagens sobre `bytes`:

* Você não precisa utilizar o `File()` no valor padrão do parâmetro.
* Ele utiliza um arquivo "spooled":
    * Um arquivo armazenado na memória até um limite máximo de tamanho, e após passar esse limite, ele será armazenado no disco.
* Isso significa que funcionará bem para arquivos grandes como imagens, vídeos, binários grandes, etc., sem consumir toda a memória.

Saputra, Sung Kim, Igor Babuschkin, Jan Zikes, Jeremy Barnes, Jesper Steen
Møller, Johannes Mayer, Justin Harris, Kashif Rasul, Kevin Robinson, Loo Rong
Jie, Lucas Moura, Łukasz Bieniasz-Krzywiec, Mario Cho, Maxim Grechkin, Michael
Heilman, Mostafa Rahmani, Mourad Mourafiq, @ninotoshi, Orion Reblitz-Richardson,
Yuncheng Li, @raoqiyu, Robert DiPietro, Sam Abrahams, Sebastian Raschka,

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