import type { ExtensionAPI } from "@earendil-works/pi-coding-agent";
/**
 * Strips `tools`/`tool_choice` from the outbound provider payload for models
 * known to reject them. Confirmed implementable against Pi's real API:
 * `before_provider_request` handlers may return a replacement payload -
 * "Returning any other value replaces the payload for later handlers and for
 * the actual request." (docs/custom-provider.md)
 *
 * NOTE: `compat.supportsStrictMode` is unrelated to this - it only controls
 * the `strict` field on tool *definitions*, not whether tools are sent at
 * all. Stripping the payload here is the only correct mechanism.
 */
export declare function installNoToolsGuard(pi: ExtensionAPI, providerId: string, noToolsModels: ReadonlySet<string>): void;