import { ExpressionRuntimePort, WhitelistFn } from "../expression/evaluateExpression";
/** Derive a stable MCP server namespace from a URL host. */
export declare function deriveMcpServerName(url: string): string;
/** Whitelist fn `mcpNamespace(url)` — the rendered `ai-plugin.json` namespace. */
export declare const mcpNamespace: WhitelistFn;
/** Whitelist fn `mcpAuthRef(url)` for the deferred auth env-ref placeholder. */
export declare const mcpAuthRef: WhitelistFn;
/** Whitelist fn `safeProjectNameLowerCase(appName)` for package names. */
export declare const safeProjectNameLowerCase: WhitelistFn;
/** Whitelist fn `pathDelimiter()` for PATH-like launch configuration values. */
export declare const pathDelimiter: WhitelistFn;
/** Build the real pure expression runtime port. */
export declare function createExpressionPort(flagReader?: (name: string) => boolean): ExpressionRuntimePort;
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