export interface OAuth1Credentials {
    consumerKey: string;
    consumerSecret: string;
    accessToken: string;
    accessTokenSecret: string;
}
/**
 * OAuth 1.0a (HMAC-SHA256) Authorization header for a Magento Integration.
 * Needed on Magento ≥ 2.4.4 unless "Allow OAuth Access Tokens to be used as standalone Bearer tokens" is enabled.
 */
export declare function oauth1Header(method: string, url: string, creds: OAuth1Credentials, nonce?: string, timestamp?: string): string;
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