/**
 * JSON utilities for logging and formatting
 */
/**
 * Set the dev mode flag.
 * Called by logger.enableDevLog() to indicate we're in dev mode.
 *
 * @param enabled - Whether dev mode is enabled
 */
export declare function setDevModeEnabled(enabled: boolean): void;
/**
 * Get the dev mode flag.
 * Returns true if we're in dev mode (dev log is enabled).
 *
 * @returns boolean indicating whether dev mode is enabled
 */
export declare function isDevModeEnabled(): boolean;
/**
 * Type for the config getter function to avoid direct import dependency.
 */
type ConfigGetter = () => {
    system: {
        logging: {
            jsonPretty: boolean;
            mcpCommDebug: boolean;
            apiDebug: boolean;
            gatewayDebug: boolean;
            showTraceContext?: boolean;
        };
    };
};
/**
 * Set the config getter for jsonPretty setting.
 * This allows retrieving the setting from config without direct import dependency.
 *
 * @param getter - Function that returns the config object, or null to reset
 */
export declare function setJsonPrettyConfigGetter(getter: ConfigGetter | null): void;
/**
 * Convert Node.js rawHeaders array [key1, value1, key2, value2, ...] to object
 * @param rawHeaders Node.js rawHeaders array
 * @returns Headers as key-value object
 */
export declare function rawHeadersToObject(rawHeaders: string[]): Record<string, string>;
/**
 * Stringify Node.js rawHeaders array for logging
 * Converts [key1, value1, key2, value2, ...] to readable object format
 * @param rawHeaders Node.js rawHeaders array
 * @returns Formatted JSON string
 */
export declare function stringifyRawHeadersForLogging(rawHeaders: string[]): string;
/**
 * Get JSON pretty setting from config getter.
 *
 * @returns boolean indicating whether to use pretty JSON formatting
 */
export declare function getJsonPrettySetting(): boolean;
/**
 * Get MCP communication debug setting from config getter.
 *
 * @returns boolean indicating whether to enable MCP communication debug logging
 */
export declare function getMcpCommDebugSetting(): boolean;
/**
 * Get API debug setting from config getter.
 *
 * @returns boolean indicating whether to enable API debug logging
 */
export declare function getApiDebugSetting(): boolean;
/**
 * Get Gateway debug setting from config getter.
 *
 * @returns boolean indicating whether to enable Gateway debug logging
 */
export declare function getGatewayDebugSetting(): boolean;
/**
 * Get the showTraceContext configuration value.
 * Controls whether [SSN]/[TID]/[SID] trace context markers appear in log output.
 * Defaults to true.
 *
 * @returns boolean indicating whether to show trace context in logs
 */
export declare function getShowTraceContextSetting(): boolean;
/**
 * Stringify object for logging with dynamic pretty formatting based on LOG_JSON_PRETTY environment variable
 * @param obj Object to stringify
 * @returns Formatted JSON string
 */
export declare function stringifyForLogging(obj: unknown): string;
/**
 * Stringify object for logging with replacer and dynamic pretty formatting based on LOG_JSON_PRETTY environment variable
 * @param obj Object to stringify
 * @param replacer Optional replacer function
 * @returns Formatted JSON string
 */
export declare function stringifyForLoggingWithReplacer(obj: unknown, replacer?: (key: string, value: unknown) => unknown): string;
export {};
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