export declare type ProposalErrorReason = 'AD_SERVER_UNKNOWN_ERROR' | 'AD_SERVER_API_ERROR' | 'UPDATE_ADVERTISER_NOT_ALLOWED' | 'UPDATE_PROPOSAL_NOT_ALLOWED' | 'CONTACT_UNSUPPORTED_FOR_ADVERTISER' | 'INVALID_CONTACT' | 'DUPLICATED_CONTACT' | 'UNACCEPTABLE_COMPANY_CREDIT_STATUS' | 'COMPANY_CREDIT_STATUS_NOT_ACTIVE' | 'PRIMARY_AGENCY_REQUIRED' | 'PRIMARY_AGENCY_NOT_UNIQUE' | 'UNSUPPORTED_COMPANY_ASSOCIATION_TYPE_FOR_PROGRAMMATIC_PROPOSAL' | 'DUPLICATED_COMPANY_ASSOCIATION' | 'DUPLICATED_SALESPERSON' | 'DUPLICATED_SALES_PLANNER' | 'DUPLICATED_TRAFFICKER' | 'HAS_NO_UNARCHIVED_PROPOSAL_LINEITEMS' | 'DUPLICATE_TERMS_AND_CONDITIONS' | 'UNSUPPORTED_PROPOSAL_CURRENCY_CODE' | 'UNSUPPORTED_BUYER_CURRENCY_CODE' | 'INVALID_FIELDS_SET_FOR_NON_PROGRAMMATIC_PROPOSAL' | 'INVALID_POC' | 'UPDATE_CURRENCY_NOT_ALLOWED' | 'UPDATE_TIME_ZONE_NOT_ALLOWED' | 'NON_PROGRAMMATIC_PROPOSAL_NOT_ALLOWED' | 'NEW_TRADITIONAL_ONLY_PROPOSAL_NOT_ALLOWED' | 'UNKNOWN';