import { GsbEntityDef } from '../../models/gsb-entity-def.model';
import { QueryParams } from '../../types/query-params';
import { GsbEnum } from '../../models/gsb-enum.model';
import { GsbQueryResponse } from '../../types/responses';
export type PersistenceType = 'localStorage' | 'indexedDB' | 'none';
export declare class GsbCacheService {
    private static instance;
    private entityDefCache;
    private entityCache;
    private baseUrl;
    private enumCache;
    private propertyDefCache;
    private genericCache;
    private readonly CACHE_DURATION;
    private enumCacheTimeout;
    private entityService;
    private allDefinitionsCached;
    private allDefinitionsCachedTimestamp;
    private acquireQueue;
    private dbPromise;
    private readonly DB_NAME;
    private readonly OBJECT_STORE_NAME;
    private constructor();
    static getInstance(): GsbCacheService;
    private isIndexedDbSupported;
    private getDb;
    private getIndexedDb;
    private setIndexedDb;
    private removeIndexedDb;
    private clearIndexedDb;
    getAuthParams(): Promise<{
        token?: string;
        tenantCode?: string;
        sessionId?: string;
    }>;
    private acquire;
    private getPropertyDefs;
    /**
     * Get an entity definition from the cache
     * @param def The entity definition to get from the cache
     * @param token Optional custom token to use for this request
     * @param tenantCode Optional custom tenant code to use for this request
     * @returns The entity definition
     */
    getEntityDef(def: GsbEntityDef, token?: string, tenantCode?: string): Promise<GsbEntityDef | null>;
    /**
     * Set an entity definition in the cache
     * @param newEntityDef The entity definition to set in the cache
     * @param arg1 Optional argument 1
     * @param arg2 Optional argument 2
     */
    setEntityDef(newEntityDef: GsbEntityDef, token?: string, tenantCode?: string): void;
    removeEntityDef(id: string, token: string | undefined, tenantCode: string | undefined): boolean;
    /**
     * Get an enum definition from the cache
     * @param id The id of the enum definition to get from the cache
     * @param token Optional custom token to use for this request
     * @param tenantCode Optional custom tenant code to use for this request
     * @returns The enum definition or null if not found
     */
    getEnum(id: string, token?: string, tenantCode?: string): Promise<GsbEnum | null>;
    getEnums(enumIds: string[], token?: string, tenantCode?: string): Promise<Map<string, GsbEnum>>;
    /**
     * Store entity definitions in cache
     * @param entityDefs Array of entity definitions to store in cache
     * @param token Optional custom token to use for this request
     * @param tenantCode Optional custom tenant code to use for this request
     */
    storeAllEntityDefinitions(entityDefs: GsbEntityDef[], token?: string, tenantCode?: string): Promise<void>;
    /**
     * Check if all entity definitions are cached and not expired
     * @returns true if all definitions are cached and not expired
     */
    areAllDefinitionsCached(): boolean;
    /**
     * Get all cached entity definitions
     * @returns Array of all cached entity definitions
     */
    getAllCachedEntityDefinitions(): GsbEntityDef[];
    /**
     * Get a value from the generic cache with optional localStorage fallback
     * @param key The cache key
     * @param localStorageKey Optional localStorage key for persistence
     * @param duration Optional cache duration in milliseconds (defaults to CACHE_DURATION)
     * @returns The cached value or null if not found or expired
     */
    getCache<T>(key: string, localStorageKey?: string, duration?: number): T | null;
    /**
     * Set a value in the generic cache with optional localStorage persistence
     * @param key The cache key
     * @param value The value to store
     * @param duration Optional cache duration in milliseconds (defaults to CACHE_DURATION)
     * @param localStorageKey Optional localStorage key for persistence
     * @returns The stored value
     */
    setCache<T>(key: string, value: T, duration?: number, localStorageKey?: string): T;
    /**
     * Remove a value from both the generic cache and localStorage if specified
     * @param key The cache key
     * @param localStorageKey Optional localStorage key to also remove
     */
    removeCache(key: string, localStorageKey?: string): void;
    clearCache(): void;
    /**
     * Get all entity definitions
     */
    getAllEntityDefs(): Promise<{
        entityDefs: GsbEntityDef[];
    }>;
    /**
     * Fetches entities for a given definition from cache if available or from server if not
     * @param entityDef The entity definition to fetch data for
     * @param cacheKey Optional custom cache key (defaults to entity name)
     * @param queryParams Optional query parameters (defaults to QueryType.Full)
     * @param expiry Optional cache expiry time in ms (defaults to CACHE_DURATION)
     * @param token Optional custom token to use for this request
     * @param tenantCode Optional custom tenant code to use for this request
     * @returns Query response with entities
     */
    fetchOrCached(entDefName: string, cacheKey?: string, queryParams?: QueryParams<any>, expiry?: number, token?: string, tenantCode?: string): Promise<GsbQueryResponse>;
    /**
     * Get all entity definitions metadata with their properties
     * This method caches the results and returns from cache if available
     * @param token Optional custom token to use for this request
     * @param tenantCode Optional custom tenant code to use for this request
     * @returns Array of entity definitions with their properties
     */
    getAllDefinitions(token?: string, tenantCode?: string): Promise<GsbEntityDef[]>;
    getCacheAsync<T>(key: string, persistenceKey?: string, duration?: number, persistence?: PersistenceType): Promise<T | null>;
    setCacheAsync<T>(key: string, value: T, duration?: number, persistenceKey?: string, persistence?: PersistenceType): Promise<T>;
    removeCacheAsync(key: string, persistenceKey?: string, persistence?: PersistenceType): Promise<void>;
}