Same completer, but with parts of it abstracted - all New-*Completer need to be defined first.

SimplifiedCompleter.ps1

param (
    [string]$commandName,
    [string]$parameterName,
    [string]$wordToComplete,
    [System.Management.Automation.Language.CommandAst]$commandAst,
    [System.Collections.IDictionary]$fakeBoundParameters
)

switch -Regex ($wordToComplete) {
    '^(groupType|userAccountControl):$' {
        New-MatchingRuleCompleter -Attribute $Matches[1] -Type AndOr
    }
    '^(member|memberof):$' {
        New-MatchingRuleCompleter -Attribute $Matches[1] -Type Chain
    }
    '^(?!.*=)' {
        New-AttributeCompleter -Pattern "$wordToComplete*"
    }
}