https://learn.microsoft.com/en-us/dotnet/api/microsoft.xrm.sdk.metadata.query.labelqueryexpression?view=dataverse-sdk-latest
LabelQueryExpression Class (Microsoft.Xrm.Sdk.Metadata.Query) | Microsoft Learn
Defines the languages for the labels to be retrieved for metadata items that have labels.
classmicrosoftxrmsdkmetadata