import { CanActivate, ExecutionContext } from "@nestjs/common";
import { Observable } from "rxjs";
export declare class CsrfGuard implements CanActivate {
    private readonly message?;
    constructor(message?: string);
    canActivate(context: ExecutionContext): boolean | Promise<boolean> | Observable<boolean>;
}
export declare class CsrfGraphQLGuard implements CanActivate {
    private readonly message?;
    constructor(message?: string);
    canActivate(ctx: ExecutionContext): boolean;
}