@shipengine/connect-carrier-api/lib/models/dangerous-good/packaging-group-types.d.ts

This is the typescript/javascript definitions for carrier api

/** @description Types of packaging group for dangerous good and it indicates the degree of danger */
export declare enum PackagingGroupTypes {
    /** @description level 1 */
    i = "i",
    /** @description level 2 */
    ii = "ii",
    /** @description level 3 */
    iii = "iii"
}