import * as grpc from '@grpc/grpc-js';
import type { AuthParams } from '../adapter.interface.js';
import type { ValidationResult } from './types.js';
interface AuthResult {
    success: boolean;
    userId?: string;
    sessionId?: string;
    error?: string;
    metadata?: Record<string, unknown>;
}
export declare class GrpcAuthHandler {
    private readonly authParamsSchema;
    validateAuthParams(auth: unknown): ValidationResult<AuthParams>;
    authenticate(auth: AuthParams, metadata: grpc.Metadata, sessionId?: string): Promise<AuthResult>;
    private authenticateJWT;
    private authenticateAPIKey;
    private authenticateSession;
    requiresAuthentication(serviceName: string, _methodName: string): boolean;
    checkPermission(userId: string, serviceName: string, methodName: string, _metadata: grpc.Metadata): Promise<boolean>;
}
export {};
//# sourceMappingURL=auth-handler.d.ts.map