/**
 * Logger interface for structured, controllable logging.
 *
 * Libraries should not spray console.* into consuming applications.
 * Default is noopLogger (silent). Users opt in by passing consoleLogger
 * or their own implementation via config.
 */
export interface Logger {
    debug(msg: string, ...args: unknown[]): void;
    info(msg: string, ...args: unknown[]): void;
    warn(msg: string, ...args: unknown[]): void;
    error(msg: string, ...args: unknown[]): void;
}
/** Silent logger — default for all components. */
export declare const noopLogger: Logger;
/** Forwards to console.* — opt-in for development/debugging. */
export declare const consoleLogger: Logger;
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