/**
 * 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.
 */
/**
 * Tool call fragment interface
 */
export interface ToolCallFragment {
    index: number;
    name?: string;
    args?: string;
    timestamp: number;
}
/**
 * Tool call candidate interface
 */
export interface ToolCallCandidate {
    index: number;
    name?: string;
    args?: string;
    fragments: ToolCallFragment[];
}
/**
 * ToolCallCollector - Responsible for collecting and assembling tool call fragments
 *
 * Core functionality:
 * 1. Collect fragments from each streaming chunk
 * 2. Avoid collecting duplicate fragments
 * 3. Determine when collection is complete
 * 4. Assemble complete tool calls
 */
export declare class ToolCallCollector {
    private fragments;
    /**
     * Add tool call fragment
     */
    addFragment(index: number, fragment: Partial<ToolCallFragment>): void;
    /**
     * Get all completed tool calls
     */
    getCompleteCalls(): ToolCallCandidate[];
    /**
     * Check if fragment is complete
     */
    private isComplete;
    /**
     * Assemble complete tool call
     */
    private assembleCall;
    /**
     * Check if two fragments are duplicates
     */
    private isDuplicateFragment;
    /**
     * Get collector statistics
     */
    getStats(): {
        totalCalls: number;
        completedCalls: number;
        pendingFragments: number;
    };
    /**
     * Reset collector state
     */
    reset(): void;
}
