/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Copyright 2025 Vybestack LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { type IToolFormatter, type ToolFormat, type OpenAITool, type ResponsesTool } from './IToolFormatter.js';
import { type ITool } from '../providers/ITool.js';
import { type ToolCallBlock } from '../services/history/IContent.js';
export declare class ToolFormatter implements IToolFormatter {
    private logger;
    /**
     * Convert Gemini format tools directly to OpenAI format
     * @param geminiTools Tools in Gemini format with functionDeclarations
     * @returns Tools in OpenAI format with type: "function" wrapper
     */
    convertGeminiToOpenAI(geminiTools?: Array<{
        functionDeclarations: Array<{
            name: string;
            description?: string;
            parametersJsonSchema?: unknown;
        }>;
    }>): Array<{
        type: 'function';
        function: {
            name: string;
            description: string;
            parameters: Record<string, unknown>;
        };
    }> | undefined;
    /**
     * Convert Gemini format tools directly to Anthropic format
     * @param geminiTools Tools in Gemini format with functionDeclarations
     * @returns Tools in Anthropic format with input_schema
     */
    convertGeminiToAnthropic(geminiTools?: Array<{
        functionDeclarations: Array<{
            name: string;
            description?: string;
            parametersJsonSchema?: unknown;
        }>;
    }>): Array<{
        name: string;
        description: string;
        input_schema: {
            type: 'object';
            [key: string]: unknown;
        };
    }> | undefined;
    /**
     * Convert Gemini format tools to the specified provider format
     * @param geminiTools Tools in Gemini format with functionDeclarations
     * @param format The target format to convert to
     * @returns Tools in the specified provider format
     */
    convertGeminiToFormat(geminiTools?: Array<{
        functionDeclarations: Array<{
            name: string;
            description?: string;
            parametersJsonSchema?: unknown;
        }>;
    }>, format?: ToolFormat): unknown;
    /**
     * Converts Gemini schema format (with uppercase Type enums) to standard JSON Schema format
     */
    convertGeminiSchemaToStandard(schema: unknown): unknown;
    toProviderFormat(tools: ITool[], format: 'openai'): OpenAITool[];
    toProviderFormat(tools: ITool[], format: ToolFormat): unknown;
    fromProviderFormat(rawToolCall: unknown, format: ToolFormat): ToolCallBlock[];
    /**
     * Handles streaming tool call accumulation for OpenAI-compatible providers
     * This accumulates partial tool calls from streaming responses
     */
    accumulateStreamingToolCall(deltaToolCall: {
        index?: number;
        id?: string;
        type?: string;
        function?: {
            name?: string;
            arguments?: string;
        };
    }, accumulatedToolCalls: ToolCallBlock[], format: ToolFormat): void;
    /**
     * Formats tools specifically for the OpenAI Responses API
     * The Responses API expects a flatter format than the regular OpenAI API
     */
    toResponsesTool(tools: ITool[]): ResponsesTool[];
}