import { Event } from "@codingame/monaco-vscode-api/vscode/vs/base/common/event";
import { URI } from "@codingame/monaco-vscode-api/vscode/vs/base/common/uri";
import { MCP } from "@codingame/monaco-vscode-api/vscode/vs/platform/mcp/common/modelContextProtocol";
export declare const McpGatewayChannelName = "mcpGateway";
export declare const McpGatewayToolBrokerChannelName = "mcpGatewayToolBroker";
/**
 * Descriptor for an MCP server known to the gateway.
 */
export interface IMcpGatewayServerDescriptor {
    readonly id: string;
    readonly label: string;
}
/**
 * A single server entry exposed by the gateway.
 */
export interface IMcpGatewayServerInfo {
    readonly label: string;
    readonly address: URI;
}
/**
 * Per-server tool invoker used by a single gateway route/session.
 * All methods operate on the specific server this invoker is bound to.
 */
export interface IMcpGatewaySingleServerInvoker {
    readonly onDidChangeTools: Event<void>;
    readonly onDidChangeResources: Event<void>;
    listTools(): Promise<readonly MCP.Tool[]>;
    callTool(name: string, args: Record<string, unknown>): Promise<MCP.CallToolResult>;
    listResources(): Promise<readonly MCP.Resource[]>;
    readResource(uri: string): Promise<MCP.ReadResourceResult>;
    listResourceTemplates(): Promise<readonly MCP.ResourceTemplate[]>;
}
/**
 * Aggregating tool invoker that provides per-server operations and
 * server lifecycle tracking. Used by the gateway service to create
 * and manage per-server routes.
 */
export interface IMcpGatewayToolInvoker {
    readonly onDidChangeServers: Event<readonly IMcpGatewayServerDescriptor[]>;
    readonly onDidChangeTools: Event<void>;
    readonly onDidChangeResources: Event<void>;
    listServers(): readonly IMcpGatewayServerDescriptor[];
    listToolsForServer(serverId: string): Promise<readonly MCP.Tool[]>;
    callToolForServer(serverId: string, name: string, args: Record<string, unknown>): Promise<MCP.CallToolResult>;
    listResourcesForServer(serverId: string): Promise<readonly MCP.Resource[]>;
    readResourceForServer(serverId: string, uri: string): Promise<MCP.ReadResourceResult>;
    listResourceTemplatesForServer(serverId: string): Promise<readonly MCP.ResourceTemplate[]>;
}
/**
 * Serializable result of creating an MCP gateway (safe for IPC).
 */
export interface IMcpGatewayDto {
    /**
     * The servers currently exposed by this gateway.
     */
    readonly servers: readonly IMcpGatewayServerInfo[];
    /**
     * The unique identifier for this gateway, used for disposal.
     */
    readonly gatewayId: string;
}
/**
 * Result of creating an MCP gateway (in-process, includes event).
 */
export interface IMcpGatewayInfo extends IMcpGatewayDto {
    /**
     * Event that fires when the set of servers changes.
     */
    readonly onDidChangeServers: Event<readonly IMcpGatewayServerInfo[]>;
}