import type { OAuthRegisteredClientsStore } from '@modelcontextprotocol/sdk/server/auth/clients.js';
import type { OAuthClientInformationFull } from '@modelcontextprotocol/sdk/shared/auth.js';
import { type ClientStoreLimits, type InMemoryClientsStoreOptions, type OAuthClientRuntimeMeta, type OAuthClientStoreStats } from './types.js';
export declare class InMemoryClientsStore implements OAuthRegisteredClientsStore {
    private clients;
    private metadata;
    private readonly limits;
    private readonly nowProvider;
    constructor(options?: InMemoryClientsStoreOptions, env?: NodeJS.ProcessEnv, nowProvider?: () => number);
    getClient(clientId: string): Promise<OAuthClientInformationFull | undefined>;
    registerClient(clientMetadata: OAuthClientInformationFull): Promise<OAuthClientInformationFull>;
    getClientCount(): number;
    getLimits(): ClientStoreLimits;
    getClientMetadataSnapshot(): OAuthClientRuntimeMeta[];
    markClientUsed(clientId: string): void;
    markSessionAttached(clientId: string): void;
    markSessionDetached(clientId: string): void;
    markAuthStateOpened(clientId: string): void;
    markAuthStateClosed(clientId: string): void;
    markAuthCodeOpened(clientId: string): void;
    markAuthCodeClosed(clientId: string): void;
    getStats(): OAuthClientStoreStats;
    private buildEvictionCandidates;
    private validateClientMetadata;
    private incrementCounter;
    private decrementCounter;
    private getMutableMetadata;
    private removeClient;
}
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