/**
 * Shared Types and Helper Functions
 *
 * Common response formatters, error helpers, and shared types
 * used across all modules.
 */
export interface ToolContent {
    type: 'text';
    text: string;
}
export interface ToolResponse {
    content: ToolContent[];
    isError?: boolean;
}
/**
 * Create a successful JSON response for an MCP tool.
 */
export declare function jsonResponse(data: Record<string, unknown>): ToolResponse;
/**
 * Create a plain text response for an MCP tool.
 */
export declare function textResponse(text: string): ToolResponse;
/**
 * Create an error response for an MCP tool.
 */
export declare function errorResponse(message: string, details?: string): ToolResponse;
/**
 * Type for module registration functions.
 * Each module exports a function that registers its tools on the McpServer.
 */
export type ModuleRegistrar = (server: McpServerLike) => void;
/**
 * Minimal McpServer interface for module registration.
 * Avoids tight coupling to the SDK's full type.
 */
export interface McpServerLike {
    tool(name: string, description: string, schema: Record<string, unknown>, handler: (args: Record<string, unknown>) => Promise<ToolResponse>): void;
}
export declare const MODULE_PREFIXES: {
    readonly email: "email_";
    readonly calendar: "calendar_";
    readonly messaging: "channel_";
    readonly search: "search_";
    readonly image: "image_";
    readonly system: "suite_";
};
export type ModuleName = keyof typeof MODULE_PREFIXES;
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