import type { AnyInjectionToken } from '../providers';
import { InjectionToken } from '../providers';
export interface InjectorCache {
    get: <T>(token: InjectionToken<T>) => T | undefined;
    getMany: <T>(token: InjectionToken<T, 'many'>) => T[];
    has: (token: InjectionToken) => boolean;
    provide: <T>(token: InjectionToken<T, 'many' | 'single'>, value: T, many?: boolean) => void;
    remove: (token: AnyInjectionToken) => void;
    reset: () => void;
    keys: () => IterableIterator<AnyInjectionToken>;
}
export interface FallbackCache {
    get: <T>(token: InjectionToken<T>) => T | undefined;
    getMany: <T>(token: InjectionToken<T, 'many'>) => T[];
    has: (token: InjectionToken) => boolean;
}
export declare class InMemoryCache {
    private readonly providers;
    private readonly fallback?;
    constructor(providers: Map<string | symbol, unknown>, fallback?: FallbackCache | undefined);
    private readonly tokens;
    private verifyToken;
    get<T>(token: InjectionToken<T>): T | undefined;
    getMany<T>(token: InjectionToken<T, 'many'>): T[];
    has(token: InjectionToken): boolean;
    provide<T>(token: InjectionToken<T, 'many' | 'single'>, value: T, many?: boolean): void;
    remove(token: AnyInjectionToken): void;
    reset(): void;
    keys(): IterableIterator<AnyInjectionToken>;
}