$files = Get-ChildItem -Recurse -Filter *.java -Path 'crm-customer\src', 'crm-auth\src' |
    Where-Object { $_.Name -match 'CustomerDedupService|ApiPermissionInterceptor' }
foreach ($f in $files) {
    $b = [IO.File]::ReadAllBytes($f.FullName)
    $bom = ($b.Length -ge 3 -and $b[0] -eq 0xEF -and $b[1] -eq 0xBB -and $b[2] -eq 0xBF)
    Write-Output ($f.FullName + ' BOM=' + $bom)
}