/**
 * Build an MCP-compatible extra object from raw HTTP headers.
 * This normalizes the shape to \{ requestInfo: \{ headers \} \} so the
 * authenticator can extract the Authorization header consistently across transports.
 *
 * @param headers - A headers-like record (e.g., Node/Express headers)
 * @returns Extra object with requestInfo.headers
 */
export declare function buildExtraFromHttpHeaders(headers: Record<string, unknown>): {
    requestInfo: {
        headers: Record<string, unknown>;
    };
};
/**
 * Build an MCP-compatible extra object from an HTTP request-like object.
 * The function extracts req.headers and delegates to buildExtraFromHttpHeaders.
 *
 * @param req - Any object with a 'headers' property
 * @returns Extra object with requestInfo.headers
 */
export declare function buildExtraFromHttpRequest(req: {
    headers: Record<string, unknown>;
}): {
    requestInfo: {
        headers: Record<string, unknown>;
    };
};
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