Rocky_Mountain_Vending/.pnpm-store/v10/files/f4/2a6aa42a49ccba1b02ccca47109a274bb998473d5a34b9ebfd215a608fb913c44ba96b4c7f010d5da4aa2ecb80b0569ea4c94fbe2dd4b7700463c071ecf937

import { Span } from '../../types-hoist/span';
/** Types for MCP server instrumentation */
/**
 * Configuration for extracting attributes from MCP methods
 * @internal
 */
export type MethodConfig = {
    targetField: string;
    targetAttribute: string;
    captureArguments?: boolean;
    argumentsField?: string;
    captureUri?: boolean;
    captureName?: boolean;
};
/**
 * JSON-RPC 2.0 request object
 * @see https://www.jsonrpc.org/specification#request_object
 */
export interface JsonRpcRequest {
    jsonrpc: '2.0';
    method: string;
    id: string | number;
    params?: Record<string, unknown>;
}
/**
 * JSON-RPC 2.0 response object
 * @see https://www.jsonrpc.org/specification#response_object
 */
export interface JsonRpcResponse {
    jsonrpc: '2.0';
    id: string | number | null;
    result?: unknown;
    error?: JsonRpcError;
}
/**
 * JSON-RPC 2.0 error object
 * @see https://www.jsonrpc.org/specification#error_object
 */
export interface JsonRpcError {
    code: number;
    message: string;
    data?: unknown;
}
/**
 * JSON-RPC 2.0 notification object
 * @note Notifications do NOT have an 'id' field - this is what distinguishes them from requests
 * @see https://www.jsonrpc.org/specification#notification
 */
export interface JsonRpcNotification {
    jsonrpc: '2.0';
    method: string;
    params?: Record<string, unknown>;
}
/**
 * MCP transport interface
 * @description Abstraction for MCP communication transport layer
 */
export interface MCPTransport {
    /**
     * Message handler for incoming JSON-RPC messages
     * The first argument is a JSON RPC message
     */
    onmessage?: (...args: unknown[]) => void;
    /** Close handler for transport lifecycle */
    onclose?: (...args: unknown[]) => void;
    /** Error handler for transport errors */
    onerror?: (error: Error) => void;
    /** Send method for outgoing messages */
    send?: (message: JsonRpcMessage, options?: Record<string, unknown>) => Promise<void>;
    /** Optional session identifier */
    sessionId?: SessionId;
}
/** Union type for all JSON-RPC message types */
export type JsonRpcMessage = JsonRpcRequest | JsonRpcNotification | JsonRpcResponse;
/**
 * MCP server instance interface
 * @description MCP server methods for registering handlers
 */
export interface MCPServerInstance {
    /** Register a resource handler */
    resource: (name: string, ...args: unknown[]) => void;
    /** Register a tool handler */
    tool: (name: string, ...args: unknown[]) => void;
    /** Register a prompt handler */
    prompt: (name: string, ...args: unknown[]) => void;
    /** Connect the server to a transport */
    connect(transport: MCPTransport): Promise<void>;
}
/** Client connection information for handlers */
export interface ExtraHandlerData {
    requestInfo?: {
        remoteAddress?: string;
        remotePort?: number;
    };
    clientAddress?: string;
    clientPort?: number;
    request?: {
        ip?: string;
        connection?: {
            remoteAddress?: string;
            remotePort?: number;
        };
    };
}
/** Types of MCP spans */
export type McpSpanType = 'request' | 'notification-incoming' | 'notification-outgoing';
/**
 * Configuration for creating MCP spans
 * @internal
 */
export interface McpSpanConfig {
    type: McpSpanType;
    message: JsonRpcRequest | JsonRpcNotification;
    transport: MCPTransport;
    extra?: ExtraHandlerData;
    callback: () => unknown;
}
export type SessionId = string;
export type RequestId = string | number;
/**
 * Request-to-span correlation data
 * @internal
 */
export type RequestSpanMapValue = {
    span: Span;
    method: string;
    startTime: number;
};
/** Generic MCP handler function */
export type MCPHandler = (...args: unknown[]) => unknown;
/**
 * Extra data passed to MCP handlers
 * @internal
 */
export interface HandlerExtraData {
    sessionId?: SessionId;
    requestId: RequestId;
}
/** Error types for MCP operations */
export type McpErrorType = 'tool_execution' | 'resource_execution' | 'prompt_execution' | 'transport' | 'protocol' | 'validation' | 'timeout';
/**
 * Party (client/server) information extracted from MCP initialize requests
 * @internal
 */
export type PartyInfo = {
    name?: string;
    title?: string;
    version?: string;
};
/**
 * Session-level data collected from various MCP messages
 * @internal
 */
export type SessionData = {
    clientInfo?: PartyInfo;
    protocolVersion?: string;
    serverInfo?: PartyInfo;
};
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