/**
 * Shared tool-call error handling: used by BOTH the stdio transport
 * (index.ts) and the HTTP transport (http-server.ts) so error mapping can
 * never silently drift between them (same motivation as the transport-parity
 * test for tool dispatch).
 */
import { McpError } from '@modelcontextprotocol/sdk/types.js';
/**
 * Strips stack-trace frames, absolute filesystem paths, and loopback/private
 * network hosts from an error string before it's returned through an MCP
 * tool response. Tool responses are read directly by the calling model/agent
 * (and often relayed to an end user). Leaking a Node stack trace or a
 * server-local file path is an information-disclosure smell, not just noise.
 *
 * Public product references (e.g. "https://virtualsms.io/dashboard") are
 * intentionally left untouched: only stack-trace shapes, filesystem paths,
 * and loopback/private-network hosts are redacted.
 */
export declare function sanitizeErrorMessage(raw: string | undefined | null): string;
/**
 * Maps whatever a tool handler threw into a well-formed McpError, running
 * the message through sanitizeErrorMessage() first. Extracted from the
 * (previously duplicated, one copy per transport) catch-block tail in
 * index.ts and http-server.ts.
 */
export declare function mapToolCallError(err: unknown): McpError;
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