import { type SignedData } from '@api3/airnode-feed';
import { ethers } from 'ethers';
import type { ApiResponse } from './types';
export declare const isBatchUnique: (batchSignedData: SignedData[]) => boolean;
export declare const isIgnored: (signedData: SignedData, ignoreAfterTimestamp: number) => boolean;
export declare const generateErrorResponse: (statusCode: number, message: string, context?: Record<string, unknown>) => ApiResponse;
export declare const extractBearerToken: (authorizationHeader: string | undefined) => string | null;
export declare const decodeData: (data: string) => ethers.utils.Result;
export declare const deriveBeaconId: (airnode: string, templateId: string) => string;
export declare const recoverSignerAddress: (data: SignedData) => string;
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