/**
 * MCP Client Foundation — server configuration (2.13.0).
 *
 * Parses/validates a configured stdio server into a normalized
 * `McpServerDefinition`. Secret hygiene is enforced here: environment values are
 * never echoed into diagnostics or evidence; only variable names are surfaced.
 */
import type { McpServerDefinition } from "./mcp-types.js";
export declare const DEFAULT_MCP_STARTUP_TIMEOUT_MS = 30000;
export declare const DEFAULT_MCP_REQUEST_TIMEOUT_MS = 60000;
export declare function isSafeMcpServerId(value: string): boolean;
/**
 * Validate a raw JSON-decoded object into a normalized server definition.
 * Throws `McpClientError("MCP_INVALID_SERVER_CONFIG")` on any structural error.
 */
export declare function normalizeMcpServerDefinition(input: unknown): McpServerDefinition;
/** Parse a server-config JSON document into a validated definition. */
export declare function parseMcpServerConfigJson(text: string): McpServerDefinition;
/**
 * argv identity for diagnostics: `command` plus explicit args. Environment
 * contents are deliberately excluded.
 */
export declare function safeServerCommand(definition: McpServerDefinition): string;
/** Sorted environment variable NAMES only — values are never surfaced. */
export declare function safeEnvNames(definition: McpServerDefinition): string[];
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