/**
 * File-based verbose logging utility.
 *
 * Writes to BOTH ~/.remote-copilot-mcp/server.log AND process.stderr
 * so existing stdio transport behaviour is preserved.
 *
 * Log rotation:
 *   - Daily: on startup, if server.log is from a previous day it is renamed to
 *     server.YYYY-MM-DD.log (using the file's mtime). Only the 7 most-recent
 *     daily archives are kept; older ones are deleted automatically.
 *   - Size: when the active server.log exceeds 5 MB it is renamed to
 *     server.YYYY-MM-DD.log (using today's date, with a counter suffix if that
 *     name already exists) and the same 7-file retention limit is applied.
 */
export declare const log: {
    debug(msg: string): void;
    info(msg: string): void;
    warn(msg: string): void;
    error(msg: string): void;
    /**
     * Verbose tool-level logging.
     * @param category Short tag, e.g. "dispatcher", "memory", "voice".
     * @param msg Descriptive message.
     */
    verbose(category: string, msg: string): void;
    /** Write to telemetry.log only (no stderr, no server.log). */
    telemetry(msg: string): void;
};
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