/**
 * Log viewer for `email-mcp logs` (and `email-mcp server logs`). Reads the
 * daemon log, with optional level/substring filtering, colorization, and a
 * `--follow` live tail. Pure helpers (filter, colorize) are unit-tested; the
 * orchestrator does the I/O.
 *
 * Daemon log lines look like:
 *   2026-10-10T08:00:00.000Z INFO [imap] Connected ...
 */
/** Severity order, low → high. `--level warn` keeps warn and error. */
export declare const LOG_LEVELS: readonly ['debug', 'info', 'warn', 'error'];
export type LogLevel = (typeof LOG_LEVELS)[number];
interface FilterOpts {
    level?: string;
    grep?: string;
}
/**
 * Filter log text by a severity threshold and/or a case-insensitive substring.
 * Continuation lines (no level token — stack traces, wrapped messages) are kept
 * when the line before them was kept, so multi-line entries stay intact.
 */
export declare function filterLogLines(text: string, opts: FilterOpts): string;
/** Colorize a line by its level (ERROR red, WARN yellow, DEBUG dim). */
export declare function colorizeLogLine(line: string, opts: {
    color: boolean;
}): string;
/**
 * `email-mcp logs [-n N] [-f] [--level L] [--grep TEXT]`
 */
export default function runLogs(argv: string[]): Promise<void>;
export {};
//# sourceMappingURL=logs.d.ts.map