export declare function logMcp(level: 'info' | 'warn' | 'debug', phase: string, message: string, detail?: Record<string, unknown>): void;
/** Always logged (high-signal milestones). */
export declare function logMcpInfo(phase: string, message: string, detail?: Record<string, unknown>): void;
export declare function logMcpDebug(phase: string, message: string, detail?: Record<string, unknown>): void;
export declare function isMcpDebugEnabled(): boolean;
/**
 * Raw stderr (e.g. chalk-colored traces) — only when CODE_AUDITOR_DEBUG=1|true.
 * Use for per-request JSON dumps and noisy dev traces; keep hot paths quiet by default.
 */
export declare function mcpDebugStderr(...args: unknown[]): void;
/**
 * Very noisy stderr diagnostics. Keep disabled unless actively debugging protocol payloads.
 */
export declare function mcpTraceStderr(...args: unknown[]): void;
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