import type { TUserState, TWorkspaceState, TWorkspaceStateSettings } from "../../types/config";
import type { Result } from "../../types/error";
import type { TSurvey } from "../../types/survey";
import type { TWorkspaceStyling } from "../../types/workspace";
export declare const diffInDays: (date1: Date, date2: Date) => number;
export declare const wrapThrowsAsync: <T, A extends unknown[]>(fn: (...args: A) => Promise<T>) => (...args: A) => Promise<Result<T>>;
/**
 * Detect whether a survey's segment has filters. Handles both the current
 * minimal shape (`{ id, hasFilters }`) and the legacy shape with a `filters`
 * array — older SDKs cached the full segment in AsyncStorage and may still be
 * read back here within the cache window after an SDK upgrade.
 */
export declare const surveyHasSegmentFilters: (survey: TSurvey) => boolean;
/**
 * Filters surveys based on the displayOption, recontactDays, and segments
 * @param workspace - The workspace state
 * @param userState - The user state
 * @returns The filtered surveys
 */
export declare const filterSurveys: (workspace: TWorkspaceState, userState: TUserState) => TSurvey[];
export declare const getStyling: (settings: TWorkspaceStateSettings, survey: TSurvey) => TWorkspaceStyling | TSurvey["styling"];
export declare const getDefaultLanguageCode: (survey: TSurvey) => string | undefined;
export declare const getLanguageCode: (survey: TSurvey, language?: string) => string | undefined;
export declare const shouldDisplayBasedOnPercentage: (displayPercentage: number) => boolean;
export declare const isNowExpired: (expirationDate: Date) => boolean;
export declare const delayedResult: <T>(value: T, ms: number) => Promise<T>;
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