/**
 * A single embedded tool call record extracted from a ResponseSpanData output array.
 */
export interface EmbeddedToolCall {
    type: string;
    function: {
        name: string;
    };
    tool_call_id: string | null;
    tool_call_type: string;
    tool_call_input: string | null;
    tool_call_output: string | null;
    tool_call_status: string | null;
}
/**
 * Maps an OpenAI embedded tool call type to a display name.
 * @param type - The tool call type string.
 * @returns A human-readable tool name.
 */
export declare function getToolNameFromType(type: string): string;
/**
 * Extracts the input field from an embedded tool call item.
 * @param item - The raw output item from the response.
 * @param type - The tool call type string.
 * @returns The extracted input as a string, or null if none.
 */
export declare function extractToolInput(item: Record<string, unknown>, type: string): string | null;
/**
 * Extracts the output field from an embedded tool call item.
 * @param item - The raw output item from the response.
 * @param type - The tool call type string.
 * @returns The extracted output as a string, or null if none.
 */
export declare function extractToolOutput(item: Record<string, unknown>, type: string): string | null;
/**
 * Walks the _response.output array and returns all embedded tool call records.
 * @param response - The response object from a ResponseSpanData span.
 * @returns An array of EmbeddedToolCall records.
 */
export declare function extractEmbeddedToolCalls(response: Record<string, unknown> | null | undefined): EmbeddedToolCall[];