/**
 * Minimal logger interface injected into SDK orchestrators so they can emit
 * debug output without importing a concrete logging implementation.
 *
 * The CLI wires its `filelogger` into these hooks; other consumers can pass
 * `console` or a no-op.
 */
export interface Logger {
    debug(message: string): void;
    warn(message: string): void;
    error(message: string): void;
    log(message: string): void;
}
export declare const NOOP_LOGGER: Logger;
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