import type { SdkContinuationTokenPayload } from "../types/index.js";
import type { Logger } from "../types/logger.js";
/**
 * Encode a continuation token payload into a string
 * @param payload - The token payload to encode
 * @param logger - Logger instance for error reporting
 * @returns Encoded token string
 */
export declare function encodeClientContinuationToken(payload: SdkContinuationTokenPayload, logger: Logger): string;
/**
 * Decode a continuation token string into a payload
 * @param token - The token string to decode
 * @param logger - Logger instance for error reporting
 * @returns Decoded token payload or null if invalid
 */
export declare function decodeClientContinuationToken(token: string, logger: Logger): SdkContinuationTokenPayload | null;
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