export declare type LineItemType = 'SPONSORSHIP' | 'STANDARD' | 'NETWORK' | 'BULK' | 'PRICE_PRIORITY' | 'HOUSE' | 'LEGACY_DFP' | 'CLICK_TRACKING' | 'ADSENSE' | 'AD_EXCHANGE' | 'BUMPER' | 'ADMOB' | 'PREFERRED_DEAL' | 'UNKNOWN';