import { type CheckoutHistoryItem, type DirectExecution } from '@funkit/api-base';
/**
 * Pure, platform-agnostic logic backing the checkout-notifications feature:
 * merging multi-step direct-execution chains, classifying deposits vs
 * withdrawals vs token transfers, applying the recency/variant filters, and
 * deriving which records changed relative to an initial snapshot.
 *
 * No React / DOM dependencies. Extracted out of `hooks/queries/useRecentDeposits`
 * (the polling hook) and `modals/.../CheckoutNotifications.tsx` (the view) so the
 * same derivation runs on both platforms.
 */
/**
 * Default cutoff for notification recency: direct executions / checkouts older
 * than this window are not surfaced as notifications.
 */
export declare const DEFAULT_NOTIF_CUTOFF: number;
export type NotificationVariant = 'deposit' | 'withdrawal' | 'token_transfer' | 'bitcoin_lightning';
export interface MergedMultiStepDirectExecution extends DirectExecution {
    /**
     * In a multi-step DE chain, represents the latest **present** DE of the chain.
     *
     * Always `undefined` for single-step DEs.
     */
    latestStep?: DirectExecution;
}
export declare function mergeMultiStepDirectExecutions(directExecutions: DirectExecution[]): MergedMultiStepDirectExecution[];
export declare function isTokenTransferDirectExecution(de: DirectExecution): boolean;
export declare function isWithdrawalDirectExecution(de: DirectExecution): boolean;
export declare function isBitcoinLightningDirectExecution(de: DirectExecution): boolean;
/**
 * Pure transform: filters, merges multi-step chains, and sorts direct executions.
 * Testable without React.
 */
export declare function processRecentDepositsForNotifications(directExecutions: DirectExecution[] | undefined, { createdAfterMs, cutOffTimeMs, variant, }?: {
    createdAfterMs?: number;
    cutOffTimeMs?: number;
    variant?: NotificationVariant;
}): MergedMultiStepDirectExecution[] | undefined;
/**
 * @returns checkouts that are either not present in the initial checkouts or the data changed somehow
 */
export declare const getUpdatedCheckouts: (checkouts: CheckoutHistoryItem[], initialCheckouts?: CheckoutHistoryItem[]) => CheckoutHistoryItem[];
/**
 * @returns direct executions that are either not present in the initial set or whose data changed
 */
export declare const getUpdatedDirectExecutions: (directExecutions: MergedMultiStepDirectExecution[], initialDirectExecutions?: DirectExecution[]) => MergedMultiStepDirectExecution[];
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