function Remove-AlkamiServiceFabricApplications {
<#
.SYNOPSIS
    Removes/unregisters all applications from a service fabric cluster.
.PARAMETER hostname
    A single server hostname from the target Service Fabric cluster.
#>
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory = $false)]
        [string]$hostname = "localhost",

        [Parameter(Mandatory = $false)]
        [switch]$force
    )

    $loglead = Get-LogLeadName;

    if(!($force.IsPresent)) {
        throw "$loglead Must include -Force. You wouldn't want to run this accidentally, now would you?";
        return;
    }

    # Connect to SF cluster.
    Connect-AlkamiServiceFabricCluster -hostname $hostname | Out-Null;

    # Attempt removing applications twice, because services that take too long to stop will time out the requests.
    # The removals still happen, but there is no way to control the timeout on the command.
    # Two attempts generally gets them all.
    $removalAttempts = 2;
    for($i = 0; $i -lt $removalAttempts; $i++) {
        # Remove all applications.
        $applications = Get-ServiceFabricApplication;
        foreach($application in $applications) {
            try {
                Write-Host "$loglead Removing $($application.ApplicationName)-$($application.ApplicationTypeVersion)";
                Remove-ServiceFabricApplication -ApplicationName $application.ApplicationName -Force;
            }
            catch {
                Write-Warning $_;
            }
        }

        # Unregister all applications.
        $registeredApps = Get-ServiceFabricApplicationType;
        foreach($application in $registeredApps) {
            try {
                Write-Host "$loglead Unregistering $($application.ApplicationTypeName)-$($application.ApplicationTypeVersion)";
                Unregister-ServiceFabricApplicationType -ApplicationTypeName $application.ApplicationTypeName -ApplicationTypeVersion $application.ApplicationTypeVersion -Force;
            }
            catch {
                Write-Warning $_;
            }
        }
    }

    # Throw an exception if the cluster was not completely wiped.
    $applications = Get-ServiceFabricApplication;
    $registeredApps = Get-ServiceFabricApplicationType;
    if(($applications.count -gt 0) -or ($registeredApps.count -gt 0)) {
        throw "$loglead The cluster was not completely wiped of applications.";
    }
    Write-Host "$loglead Service Fabric application removal complete.";
}