import type { AgentMessage, AssistantMessage } from "./agent-types.js";
/**
 * Runtime attestation (ADR 0005 H9). Declares the implementation status
 * of each runtime export in this module. See CONTRIBUTING.md § Module
 * attestations for the category definitions and the convention for
 * updating these when sync or rebrand changes the surface.
 */
export declare const MODULE_ATTESTATIONS: {
    readonly isAssistantMessage: "live";
    readonly stripMinimaxToolCallXml: "live";
    readonly stripDowngradedToolCallText: "live";
    readonly stripThinkingTagsFromText: "live";
    readonly extractAssistantText: "live";
    readonly inferToolMetaFromArgs: "live";
};
export declare function isAssistantMessage(msg: AgentMessage | undefined): msg is AssistantMessage;
/**
 * Strip malformed Minimax tool invocations that leak into text content.
 * Minimax sometimes embeds tool calls as XML in text blocks instead of
 * proper structured tool calls. This removes:
 * - <invoke name="...">...</invoke> blocks
 * - </minimax:tool_call> closing tags
 */
export declare function stripMinimaxToolCallXml(text: string): string;
/**
 * Strip downgraded tool call text representations that leak into text content.
 * When replaying history to Gemini, tool calls without `thought_signature` are
 * downgraded to text blocks like `[Tool Call: name (ID: ...)]`. These should
 * not be shown to users.
 */
export declare function stripDowngradedToolCallText(text: string): string;
/**
 * Strip thinking tags and their content from text.
 * This is a safety net for cases where the model outputs <think> tags
 * that slip through other filtering mechanisms.
 */
export declare function stripThinkingTagsFromText(text: string): string;
export declare function extractAssistantText(msg: AssistantMessage): string;
export declare function inferToolMetaFromArgs(toolName: string, args: unknown): string | undefined;