BatchImportAddressLabels imports address labels from CSV/JSON file.
BatchImportAddressLabelsRequest is the request message for batch importing address labels.
Import format: "csv" or "json" (required)
File content as base64 encoded string
Import mode: "create" (only create new), "update" (only update existing), "upsert" (create or update) Default: "upsert"
Skip validation errors and continue importing (default: false)