export type SessionDataValue = string | number | boolean;
export type SessionData = Record<string, SessionDataValue>;
export type SessionDataErrorCode = 'SESSION_DATA_REQUIRED' | 'SESSION_DATA_SCHEMA_MISMATCH';
export declare const SESSION_DATA_SCHEMA_MISMATCH_MESSAGE = "Session Data does not match with the schema defined during survey creation.";
export declare const hasSessionDataMeaningfullyChanged: (next: unknown, previous: unknown) => boolean;
export declare const isSessionDataErrorCode: (code: unknown) => code is SessionDataErrorCode;
export declare const isSessionDataErrorPayload: (payload: unknown) => boolean;
export declare const isSessionDataValidationError: (error: unknown) => boolean;
export declare const getPublicSessionDataErrorMessage: (error: unknown, fallback: string) => string;
export declare const prepareSessionData: (input: unknown) => SessionData;