import type { CallToolResult, ClientCapabilities, Implementation } from "@modelcontextprotocol/sdk/types.js";
/**
 * Takes a tool's MCP Apps parts away for a client that renders no MCP Apps: its
 * app resource, and either the whole tool, if it only serves its app, or the
 * data tool's show_ui, its app _meta and the _meta in its result.
 */
export type WithoutApps = () => void;
export declare const CLIENT_APPS: readonly ["apps", "text-only", "unknown"];
/**
 * Whether a client gets the MCP Apps parts: "apps" if it advertises the
 * extension for app HTML, "text-only" if it is a client known to render no
 * apps (see TEXT_ONLY_CLIENTS), otherwise "unknown", and such a client keeps
 * every tool.
 */
export type ClientApps = (typeof CLIENT_APPS)[number];
/** From a client's initialize. */
export declare function classifyClient(capabilities: ClientCapabilities, client: Implementation | undefined): ClientApps;
/** What to log of a client's clientInfo, which may also carry icons as data: URIs. */
export declare function clientForLog(client: Implementation | undefined): {
    name: string;
    version: string;
} | undefined;
/**
 * The client's own choice, from ?apps= on the MCP URL or MCP_APPS: "true" or
 * "false" decides over the client's initialize; anything else leaves it to it.
 */
export declare function appsOverride(value: unknown): ClientApps | undefined;
/**
 * A tool result without the parts only an app reads, for a client that runs no app: its
 * `_meta`, and the `show_ui`/`tool` fields a host without `_meta` would fall back to on the text.
 */
export declare function withoutAppMeta({ _meta, ...result }: CallToolResult): CallToolResult;
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