function Get-ConfigurationDataDictionaryValue {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [System.Collections.IDictionary]
        $Dictionary,

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

        [Parameter(Mandatory=$false)]
        [AllowNull()]
        $DefaultValue = $null
    )

    if(Test-ConfigurationDataDictionaryKey -Dictionary $Dictionary -Key $Key){
        return $Dictionary[$Key]
    }

    return $DefaultValue
}