/**
 * src/core/Logger.ts
 *
 * First-class logging built on the existing trace infrastructure: log entries
 * are TraceEnvelopes discriminated by `entryType: 'log'` and persisted to the
 * same NDJSON store (`.agenthood/traces/traces.ndjson`) that the Tracer and
 * RetentionManager already own. Zero new runtime dependencies.
 *
 * Existing `console.*` calls are untouched — `log()` is the recommended
 * replacement, not a hard migration.
 */
import { RedactionFilter } from './RedactionFilter.ts';
import type { TraceSource, LogLevel } from './types.ts';
import type { RunEventBus } from './RunEventBus.ts';
export interface LoggerOptions {
    /** Project root; defaults to process.cwd(). */
    projectPath?: string;
    /** Parsed config; defaults to the project's `.agenthood/config.json`. */
    config?: Record<string, unknown>;
    source?: TraceSource;
    /** Correlation id attached to every entry; a new one is generated per Logger. */
    correlationId?: string;
    /** Optional live bus — emits `log.created` when provided. */
    events?: RunEventBus;
    /** Overrides the redactor derived from config (test seam, explicit policy). */
    redactor?: RedactionFilter;
}
export interface AgenthoodLogger {
    log(level: LogLevel, message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    debug(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    info(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    warn(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    error(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
}
/**
 * Appends a log entry as a TraceEnvelope to the shared NDJSON store.
 * Non-fatal: a persistence failure is reported to the console but never
 * throws, so logging can never break the caller.
 */
export declare class Logger implements AgenthoodLogger {
    private readonly filePath;
    private readonly source;
    private readonly correlationId;
    private readonly events?;
    private readonly redactor;
    constructor(options?: LoggerOptions);
    log(level: LogLevel, message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    debug(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    info(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    warn(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
    error(message: string, member?: string, metadata?: Record<string, unknown>): Promise<void>;
}
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