function Test-ConfigurationDataItemWildcard {
    [CmdletBinding()]
    Param(
        [AllowNull()]
        $Item,
        [Parameter(Mandatory=$true)]
        [String[]]
        $KeyNames
    )

    if($KeyNames.Count -ne 1){
        return $false
    }

    if(-not (Test-ConfigurationDataItemContainsKey -Item $Item -KeyName $KeyNames[0])){
        return $false
    }

    return (Get-ConfigurationDataItemValue -Item $Item -KeyName $KeyNames[0]) -eq "*"
}