import { CanActivate, ExecutionContext } from "@nestjs/common";
import { Reflector } from "@nestjs/core";
import { ClsService } from "nestjs-cls";
import { OAuthTokenService } from "../../foundations/oauth/services/oauth.token.service";
import { Neo4jService } from "../../core/neo4j/services/neo4j.service";
import { ModuleRef } from "@nestjs/core";
/**
 * Combined JWT or OAuth Guard
 *
 * Attempts OAuth token validation first, then falls back to JWT.
 * Enables gradual migration from JWT-only to OAuth-enabled endpoints.
 *
 * Usage:
 * @UseGuards(JwtOrOAuthGuard)
 * async getResource() { ... }
 */
export declare class JwtOrOAuthGuard implements CanActivate {
    private readonly tokenService;
    private readonly reflector;
    private readonly cls;
    private readonly neo4j;
    private readonly moduleRef;
    constructor(tokenService: OAuthTokenService, reflector: Reflector, cls: ClsService, neo4j: Neo4jService, moduleRef: ModuleRef);
    canActivate(context: ExecutionContext): Promise<boolean>;
    /**
     * Attempts OAuth token validation.
     * @returns true if valid, false if invalid, null if not an OAuth token
     */
    private tryOAuth;
}
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