function Test-ConfigurationDataNodeSealed {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [System.Collections.IDictionary]
        $Node
    )

    if(-not (Test-ConfigurationDataDictionaryKey -Dictionary $Node -Key "Sealed")){
        return $false
    }

    return [System.Management.Automation.LanguagePrimitives]::ConvertTo($Node["Sealed"], [bool])
}