function Get-BasicAuthWebHeader {
    [CmdletBinding()]
    [OutputType([object])]
    param(
        [Parameter(Mandatory = $true, ParameterSetName = "UsernameAndPassword")]
        [string]$Username,
        [Parameter(Mandatory = $true, ParameterSetName = "UsernameAndPassword")]
        [Alias('Password')]
        [string]$InputObject,
        [Parameter(Mandatory = $true, ParameterSetName = "Credential")]
        [System.Management.Automation.PSCredential]$Credential
    )

    if ($PSCmdlet.ParameterSetName -eq "Credential") {
        $InputObject = Get-PasswordFromCredential -Credential $Credential
        $Username = $Credential.Username
    }

    $base64String = (ConvertTo-Base64 -Input "$($Username):$($InputObject)")

    return @{ Authorization = "Basic $base64String" }
}