/**
 * 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.
 */
/**
 * Enhances tool name extraction for qwen and other providers that may send tool names in chunks
 * @param currentName Current accumulated tool name
 * @param newName New name chunk from streaming
 * @param isComplete Whether the stream for this tool call is complete
 * @returns Enhanced tool name with fallback strategies
 */
export declare function enhanceToolNameExtraction(currentName: string, newName: string | undefined, isComplete: boolean): {
    name: string;
    isFallback: boolean;
};
/**
 * Validates a tool name for consistency with expected tool names
 * @param toolName The tool name to validate
 * @param availableToolNames Array of available tool names
 * @returns Validated tool name or null if invalid
 */
export declare function validateToolName(toolName: string, availableToolNames?: string[]): {
    isValid: boolean;
    correctedName?: string;
    reason?: string;
};
/**
 * Processes final tool name validation with comprehensive fallback strategy
 * @param toolName The tool name to process
 * @param availableToolNames Array of available tool names
 * @returns Final validated tool name
 */
export declare function processFinalToolName(toolName: string, availableToolNames?: string[]): string;
/**
 * Safely extracts tool name from streaming delta with comprehensive error handling
 * @param delta The streaming delta object
 * @param currentIndex Current tool call index
 * @param availableToolNames Array of available tool names
 * @returns Safe tool name extraction result
 */
export declare function safeExtractToolName(delta: Record<string, unknown>, currentIndex: number, availableToolNames?: string[]): {
    name: string;
    hasName: boolean;
    isComplete: boolean;
    warnings: string[];
};