function Register-ConfigurationDataSecretProvider {
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)]
        [string]
        $Name,

        [Parameter(Mandatory=$true)]
        [string[]]
        $SupportedTypes,

        [Parameter(Mandatory=$true)]
        [scriptblock]
        $Resolver
    )

    if([string]::IsNullOrWhiteSpace($Name)){
        throw "Secret provider [Name] must not be empty."
    }

    if($SupportedTypes.Count -eq 0){
        throw "Secret provider [$Name] must define at least one supported type."
    }

    foreach($Type in $SupportedTypes){
        if($Type -notin @("credential", "securestring", "string")){
            throw "Secret provider [$Name] uses unsupported type [$Type]."
        }
    }

    if($null -eq $script:ConfigurationDataSecretProviders){
        $script:ConfigurationDataSecretProviders = @{}
    }

    $script:ConfigurationDataSecretProviders[$Name.ToLowerInvariant()] = [PSCustomObject]@{
        Name = $Name
        SupportedTypes = @($SupportedTypes | ForEach-Object { $_.ToLowerInvariant() })
        Resolver = $Resolver
    }
}