function Get-AppSettingPrivateJson {
<#
.SYNOPSIS
	Returns an appSetting value from the specified file content

.DESCRIPTION
	Returns an appSetting value from the specified file content

.PARAMETER Key
    [string] The name of the key to get the value from, if it exists.

.PARAMETER FileContent
    [string] The file content to parse

.PARAMETER SuppressWarnings
    [switch] Suppress warnings about keys not found

.OUTPUTS
    Can return $null if key not found
#>
    [CmdletBinding()]
	param (
		[string]$Key,
		[string]$FileContent,
        [switch]$SuppressWarnings
	)

    $logLead  = (Get-LogLeadName)

    $json = (ConvertFrom-Json -InputObject $FileContent)

    # appsettings.json has a magic trick for us
    # if I specify Parent:Child then I'm looking for something like
    # { "Parent": { "Child": value } }
    # if I specify Parent.Child then I'm looking for something like
    # { "Parent.Child": value }
    # So we want to be able to do a depth search by the colon'd parts
    $keyNodeList = $Key.Split(':')
    if (Test-IsCollectionNullOrEmpty $keyNodeList) {
        throw "$logLead : For config file [$FilePath] - No valid key specified - Can not continue. Key was [$Key]"
    }
    foreach($node in $keyNodeList) {
        if ([string]::IsNullOrWhiteSpace($node)) {
            throw "$logLead : For config file [$FilePath] - Found invalid node element [$node] in Key path [$Key]"
        }
    }

    $lastNode = "<root>"
    $tempNode = $json
    foreach($node in $keyNodeList) {
        Write-Verbose "$logLead : Checking `$tempNode [$tempNode] for property `$node [$node]"

        if (($node -eq $keyNodeList[-1]) -or ($null -eq $tempNode.$node)) {
            if ($null -eq $tempNode.$node) {
                if ($SuppressWarnings) {
                    Write-Verbose "$logLead : Can not find [$node] of [$Key] for element under [$lastNode]. Returning `$null"
                } else {
                    Write-Warning "$logLead : Can not find [$node] of [$Key] for element under [$lastNode]. Returning `$null"
                }
            }
            return $tempNode.$node
        }

        $tempNode = $tempNode.$node
        $lastNode = $node
    }
}