function Test-ConfigurationDataMapContainsKey {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        $Map,

        [Parameter(Mandatory=$true)]
        [string]
        $Key
    )

    if($Map -is [System.Collections.Hashtable]){
        return $Map.ContainsKey($Key)
    }

    if($Map -is [System.Collections.Specialized.OrderedDictionary]){
        return $Map.Contains($Key)
    }

    return $false
}