import type { CookieOptions } from '../../../browser/cookie';
import type { SessionPersistence } from '../sessionConstants';
import type { SessionState } from '../sessionState';
import type { Observable } from '../../../tools/observable';
export declare const SESSION_STORE_KEY = "_oo_s_v2";
export declare const LEGACY_SESSION_STORE_KEY = "_oo_s";
export declare const enum CookieApi {
    DOCUMENT_COOKIE = 0,
    COOKIE_STORE = 1
}
export interface CookieSessionStoreStrategyType {
    type: typeof SessionPersistence.COOKIE;
    cookieOptions: CookieOptions;
    cookieApi: CookieApi;
}
export type SessionStoreStrategyType = CookieSessionStoreStrategyType | {
    type: typeof SessionPersistence.LOCAL_STORAGE;
} | {
    type: typeof SessionPersistence.MEMORY;
};
export type SessionStateOperation = 'initialize' | 'expandOrRenewOnActivity' | 'expandOrRenewOnConsent' | 'expandOnVisibility' | 'initializeOnResume' | 'expireOnTimeout' | 'expire' | 'updateState';
export interface SessionStoreStrategy {
    setSessionState(fn: (sessionState: SessionState) => SessionState, operation: SessionStateOperation): Promise<void>;
    sessionObservable: Observable<SessionState>;
}