import type { ModelRequirements } from '../../../types/ModelRequirements';
/**
 * Parses an OpenAI error message to identify which parameter is unsupported
 *
 * @param errorMessage The error message from OpenAI API
 * @returns The parameter name that is unsupported, or null if not an unsupported parameter error
 * @private utility of LLM Tools
 */
export declare function parseUnsupportedParameterError(errorMessage: string): string | null;
/**
 * Creates a copy of model requirements with the specified parameter removed
 *
 * @param modelRequirements Original model requirements
 * @param unsupportedParameter The parameter to remove
 * @returns New model requirements without the unsupported parameter
 * @private utility of LLM Tools
 */
export declare function removeUnsupportedModelRequirement(modelRequirements: ModelRequirements, unsupportedParameter: string): ModelRequirements;
/**
 * Checks if an error is an "Unsupported value" error from OpenAI
 * @param error The error to check
 * @returns true if this is an unsupported parameter error
 * @private utility of LLM Tools
 */
export declare function isUnsupportedParameterError(error: Error): boolean;