/**
 * Resolve the current Claude Code release version for spoofing the claude-cli
 * User-Agent on OAuth and inference requests. Cached in-memory for the process
 * lifetime and on disk for 24h. Falls back to a hardcoded constant if the npm
 * registry is unreachable and no cache exists.
 */
export declare function getClaudeCodeVersion(): Promise<string>;
/** Build the User-Agent string Anthropic's OAuth + inference edges expect. */
export declare function getClaudeCliUserAgent(): Promise<string>;
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