src/CFDIReader/CFDIReader.php
private function normalizeName(string $name): string
    {
        return (strtoupper($name) === $name) ? $name : lcfirst($name);
    }
private function normalizeName(string $name): string
    {
        return (strtoupper($name) === $name) ? $name : lcfirst($name);
    }
Normalize a name to follow accesor rules (all is uppercase or first letter is lowercase)
- Version => version
- TimbreFiscalDigital => timbreFiscalDigital
- UUID => UUID

@param string $name
@return string