import { ExecutionContext } from "@nestjs/common";
import { AuthHandler, AuthData, AuthRequestLike } from "@decaf-ts/for-http/server";
import { DecafRequestContext } from "../request/DecafRequestContext.d.cts";
/**
 * Simple auth handler that reads a role string from the `Authorization: Bearer <role>` header.
 *
 * Only overrides {@link AuthHandler.extractFromRequest} to return the bearer token as
 * both the user identifier and the single role. The base class `bindToContext`
 * (`ctx.accumulate(data)`) is sufficient — the transformer/adapter is responsible
 * for mapping context fields to adapter-specific keys like `UUID`.
 */
export declare class DecafAuthHandler extends AuthHandler<ExecutionContext, DecafRequestContext, AuthData> {
    protected isPublicRequest(_request: AuthRequestLike): boolean;
    protected parseRequest(req: any): string | undefined;
    protected requestFromContext(ctx: ExecutionContext): any;
    protected extractFromRequest(req: any): AuthData;
}
/**
 * Alias for {@link DecafAuthHandler} kept for backward compatibility.
 * The "role" variant previously returned roles from `authorize`; with the base
 * class now orchestrating role checks internally, the two classes are equivalent.
 */
export declare class DecafRoleAuthHandler extends DecafAuthHandler {
}