import { Type } from '@nestjs/common';
import { ModuleRef } from '@nestjs/core';
import { IStrategy } from './interfaces';
export interface StrategyMetadata {
    id: string;
    name: string;
    version: string;
    enabled: boolean;
    description?: string;
    requiredFields: string[];
}
export declare class StrategyFactory {
    private readonly moduleRef;
    private readonly logger;
    private readonly strategies;
    private readonly metadata;
    constructor(moduleRef: ModuleRef);
    register(strategyClass: Type<IStrategy>, metadata: StrategyMetadata): void;
    get(strategyId: string): Promise<IStrategy>;
    getAvailableStrategies(): string[];
    getEnabledStrategies(): string[];
    getMetadata(strategyId: string): StrategyMetadata | undefined;
    getAllMetadata(): StrategyMetadata[];
    exists(strategyId: string): boolean;
    setEnabled(strategyId: string, enabled: boolean): void;
    validateUserData(strategyId: string, userData: Record<string, unknown>): Promise<{
        valid: boolean;
        missing: string[];
    }>;
    discoverStrategies(module: any): Promise<void>;
}
export declare function Strategy(metadata: Omit<StrategyMetadata, 'requiredFields'>): <T extends Type<IStrategy>>(constructor: T) => T;
export declare function RequiredFields(fields: string[]): <T extends Type<IStrategy>>(constructor: T) => T;