import { Model } from 'mongoose';
import { ApiKeyDocument } from '../database/schemas/api-key.schema';
import { StrategyDocument } from '../database/schemas/strategy.schema';
export interface ApiKeyValidationResult {
    isValid: boolean;
    apiKey?: ApiKeyDocument;
    reason?: string;
}
export interface StrategyPermissionResult {
    hasPermission: boolean;
    reason?: string;
}
export declare class AuthService {
    private readonly apiKeyModel;
    private readonly strategyModel;
    private readonly logger;
    constructor(apiKeyModel: Model<ApiKeyDocument>, strategyModel: Model<StrategyDocument>);
    private hashApiKey;
    generateApiKey(prefix?: string): string;
    createApiKey(params: {
        name: string;
        issuer: string;
        allowedStrategies?: string[];
        expiresAt?: Date;
        expiresInDays?: number;
        metadata?: Record<string, any>;
    }): Promise<{
        apiKey: string;
        keyId: string;
        expiresAt?: Date;
    }>;
    validateApiKey(apiKey: string): Promise<ApiKeyValidationResult>;
    hasStrategyPermission(apiKey: string, strategyId: string): Promise<StrategyPermissionResult>;
    validateAccess(apiKey: string, strategyId: string): Promise<void>;
    getApiKeysForIssuer(issuer: string): Promise<ApiKeyDocument[]>;
    revokeApiKey(keyId: string, issuer?: string): Promise<boolean>;
}