function Test-IsDeveloperMachine {
<#
.SYNOPSIS
    Is the current machine a developer's environment or a QA/Staging/Production environment?

.PARAMETER ComputerName
    What computer do we check, defaults to localhost
#>
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param (
        [string]$ComputerName = 'localhost'
    )

    $environmentType = (Get-EnvironmentType -ComputerName $ComputerName)

    $environmentTypeNames = @('Development', 'Unknown', 'SDK', 'Sandbox', '', $null)

    if ((Select-AlkamiTeaServers -Servers $ComputerName) -or
        (Select-AlkamiAppServers -Servers $ComputerName) -or
        (Select-AlkamiMicServers -Servers $ComputerName) -or
        (Select-AlkamiWebServers -Servers $ComputerName)) {
            return $false
        } else {
            return ($environmentTypeNames -contains $environmentType)
        }
}

Set-Alias -Name Test-IsDevelopmentEnvironment -Value Test-IsDeveloperMachine

# If the tag doesn't exist this is a development machine or should be treated as such.
# This is the only place that we can accept a missing env-type var
# return ([string]::IsNullOrWhiteSpace($environmentType)) -or ($environmentTypeNames -contains $environmentType)