/**
 * What the server knows about the tool call being handled right now.
 *
 * Carried by AsyncLocalStorage rather than threaded through every tool's
 * options: the cache scope needs it deep inside tools that never see the MCP
 * request, and an argument would have to be added to each of them.
 */
import { AsyncLocalStorage } from 'async_hooks';
export interface CallContext {
    /** Claude Code's `_meta["claudecode/toolUseId"]` for this call, if sent. */
    toolUseId?: string;
}
export declare const callContext: AsyncLocalStorage<CallContext>;
/** The `claudecode/toolUseId` a `tools/call` request carried, if any. */
export declare function toolUseIdFrom(meta: unknown): string | undefined;
//# sourceMappingURL=call-context.d.ts.map