function Test-ParameterSet
{
 [CmdletBinding(DefaultParameterSetName='number')]
 param
 (
  [int]
  [Parameter(ParameterSetName='number', Position=0)]
  $id,
 
  [string]
  [Parameter(ParameterSetName='text', Position=0)]
  $name
 )
 
 $PSCmdlet.ParameterSetName
 $PSBoundParameters
}

function Test-ParameterSet
{
 [CmdletBinding(DefaultParameterSetName='NonCredential')]
 param
 (
  $id,
 
  [Parameter(ParameterSetName='LocalOnly', Mandatory=$false)]
  $LocalAction,
 
  [Parameter(ParameterSetName='Credential', Mandatory=$true)]
  [Parameter(ParameterSetName='NonCredential', Mandatory=$false)]
  $ComputerName,
 
  [Parameter(ParameterSetName='Credential', Mandatory=$false)]
  $Credential
 )
 
 $PSCmdlet.ParameterSetName
 $PSBoundParameters
 
 if ($PSBoundParameters.ContainsKey('ComputerName'))
 {
  Write-Warning 'Remote Call!'
 }
}