@fortawesome/angular-fontawesome/schematics/ng-add/schema.d.ts

export interface Schema {
    /** Name of the project. */
    project?: string;
    /** The icon packages to install */
    iconPackages?: ('free-solid' | 'free-regular' | 'free-brands' | 'pro-solid' | 'pro-regular' | 'pro-light' | 'pro-duotone')[];
}