@shipengine/connect-carrier-api/lib/models/display-scheme.d.ts

This is the typescript/javascript definitions for carrier api

/** @description The display scheme that the label will be returned in */
export declare enum DisplayScheme {
    /** @description Indicates that a shipping label will be returned, default option */
    Label = "label",
    /** @description Indicates that a paperless label will be returned if available. For example: a qr code image. */
    PaperlessLabel = "paperless_label"
}