import { FeedClientOptions, FeedItem } from './interfaces';
export declare function deduplicateItems(items: FeedItem[]): FeedItem[];
export declare function sortItems(items: FeedItem[]): FeedItem<import('@knocklabs/types').GenericData>[];
export declare function mergeDateRangeParams(options: FeedClientOptions): {
    before?: string;
    after?: string;
    page_size?: number;
    status?: "unread" | "read" | "unseen" | "seen" | "all";
    source?: string;
    tenant?: string;
    has_tenant?: boolean;
    workflow_categories?: string[];
    archived?: "include" | "exclude" | "only";
    trigger_data?: import('./interfaces').TriggerData;
    __experimentalCrossBrowserUpdates?: boolean;
    mode?: "rich" | "compact";
};
export declare function getFormattedTriggerData(options: FeedClientOptions): string | undefined;
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