/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { ToolCallingTaskInput } from "./ToolCallingTask";
export interface OpenAICompatMessage {
    role: string;
    content: string | null | Array<{
        type: string;
        [key: string]: unknown;
    }>;
    tool_calls?: Array<{
        id: string;
        type: "function";
        function: {
            name: string;
            arguments: string;
        };
    }>;
    tool_call_id?: string;
}
/**
 * Converts ToolCallingTaskInput to OpenAI-compatible message format.
 * Used by OpenAI and HuggingFace Inference providers.
 *
 * Multi-turn capable: preserves full tool call metadata across turns.
 */
export declare function toOpenAIMessages(input: ToolCallingTaskInput): OpenAICompatMessage[];
export interface TextFlatMessage {
    role: string;
    content: string;
}
/**
 * Converts ToolCallingTaskInput to a simplified text-only message format.
 * Used by providers that don't natively support structured multi-turn
 * tool calling (Ollama, HuggingFace Transformers).
 *
 * NOTE: This format discards tool_use blocks from assistant messages.
 * The LLM will not see what tools it previously called. Multi-turn tool
 * calling will have degraded quality on these providers.
 */
export declare function toTextFlatMessages(input: ToolCallingTaskInput): TextFlatMessage[];
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