/**
 * Beltic-Credentials Header Parsing
 *
 * Utilities for parsing the Beltic-Credentials header from incoming requests.
 */
/**
 * Header name for Beltic credentials transport.
 */
export declare const BELTIC_CREDENTIALS_HEADER = "Beltic-Credentials";
/**
 * Parsed credentials from the Beltic-Credentials header.
 */
export interface ParsedCredentials {
    /** The agent credential JWT (always present) */
    agentJwt: string;
    /** The delegation credential JWT (optional) */
    delegationJwt?: string;
}
/**
 * Parse the Beltic-Credentials header value.
 *
 * @param headerValue - The header value (comma-separated JWTs)
 * @returns Parsed credentials object
 * @throws BelticError if the header format is invalid
 */
export declare function parseCredentialsHeader(headerValue: string): ParsedCredentials;
/**
 * Extract the Beltic-Credentials header from a headers object.
 * Handles case-insensitive header names.
 */
export declare function getCredentialsHeader(headers: Headers | Record<string, string | string[] | undefined> | Map<string, string>): string | undefined;
/**
 * Check if credentials are present in headers.
 */
export declare function hasCredentialsHeader(headers: Headers | Record<string, string | string[] | undefined> | Map<string, string>): boolean;
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