import type { Filter, FilterContext, FilterResult, JsonObject } from '../types.js';
/**
 * Ensure choices[*].message.tool_calls[].function.arguments is a JSON string.
 */
export declare class ResponseToolArgumentsStringifyFilter implements Filter<JsonObject> {
    readonly name = "response_tool_arguments_stringify";
    readonly stage: FilterContext['stage'];
    apply(input: JsonObject): FilterResult<JsonObject>;
}
