/**
 * Log output management utilities.
 * This file contains MCP response detection and simplification functions.
 */
/**
 * Interface for notifications/message parameters.
 */
interface NotificationMessageParams {
    level?: string;
    logger?: string;
    data?: unknown;
}
/**
 * Interface for notifications/message.
 */
interface NotificationMessage {
    method: string;
    params?: NotificationMessageParams;
}
/**
 * Check if a message is a notifications/message.
 *
 * @param message - The message to check
 * @returns true if the message is a notifications/message
 */
export declare function isNotificationMessage(message: unknown): message is NotificationMessage;
/**
 * Log a notifications/message to the application logs.
 *
 * @param message - The notification message
 * @param context - Optional context (server name, session ID, etc.)
 * @param serverId - Optional server ID for log storage (for frontend display)
 */
export declare function logNotificationMessage(message: unknown, context: string, serverId?: string): void;
/**
 * Check if JSON string contains data:image/*;base64 data URIs.
 * These commonly appear in serverInfo.icons[].src and other metadata fields.
 *
 * @param data - JSON string to check
 * @returns true if it contains data:image data URIs
 */
export declare function hasDataUriImage(data: string): boolean;
/**
 * Simplify data URI images by replacing base64 payload with placeholder.
 * Matches all data:image/*;base64,... patterns and truncates the payload.
 *
 * @param data - JSON string containing data URIs
 * @returns JSON string with base64 payloads replaced
 */
export declare function simplifyDataUriImages(data: string): string;
/**
 * Format an MCP message for logging, with simplification for tools/list,
 * resources/list, capabilities responses, image content, and data URI images.
 *
 * @param message - The MCP message object to format
 * @returns Formatted log message string
 */
export declare function formatMcpMessageForLogging(message: unknown): string;
/**
 * Check if data contains image content with binary data.
 * @param data - stdout or response data
 * @returns true if it contains image content with data field
 */
export declare function hasImageContent(data: string): boolean;
/**
 * Simplify image content by replacing binary data with placeholder.
 * @param data - Complete response data
 * @returns Log information with binary image data replaced
 */
export declare function simplifyImageContent(data: string): string;
/**
 * Check if data is a tools/list response.
 * @param data - stdout or response data
 * @returns true if it's a tools/list response
 */
export declare function isToolsListResponse(data: string): boolean;
/**
 * Simplify tools/list response log information.
 * @param data - Complete response data
 * @returns Simplified log information, or null if cannot be simplified
 */
export declare function simplifyToolsListResponse(data: string): string | null;
export {};
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