import type { EventBus } from '../events/bus';
import { type EmitContext } from '../events/emit';
import type { EventSource } from '../events/schema';
export type Logger = {
    debug: (message: string, details?: Record<string, unknown>) => Promise<void>;
    info: (message: string, details?: Record<string, unknown>) => Promise<void>;
    warn: (message: string, details?: Record<string, unknown>) => Promise<void>;
    error: (message: string, options?: {
        details?: Record<string, unknown>;
        error?: unknown;
    }) => Promise<void>;
    withSpan: <T>(name: string, fn: () => Promise<T>, details?: Record<string, unknown>) => Promise<T>;
};
export declare function createLogger(options: {
    bus: EventBus;
    context: EmitContext;
    source: EventSource;
}): Logger;