/**
 * A tool invocation made by the agent during a voice session.
 */
export interface AgentStudioVoiceSessionToolCallResponseBody {
    /** Arguments passed to the tool, as a JSON-encoded string. */
    arguments: string;
    /** Wall-clock duration of the tool call, in milliseconds. Zero when the duration is unknown. */
    durationMilliseconds: number;
    /** Name of the tool that was invoked. */
    name: string;
    /** Output returned by the tool, as a string. Empty when the tool produced no output. */
    output: string;
    /** Offset from the start of the session at which the tool call started, in milliseconds. */
    startMilliseconds: number;
    /** Outcome of the tool call. Defaults to `unknown` when the outcome could not be determined.  Valid values: `success`, `error`, `unknown` */
    status: AgentStudioVoiceSessionToolCallResponseBody.Status;
}
export declare namespace AgentStudioVoiceSessionToolCallResponseBody {
    /** Outcome of the tool call. Defaults to `unknown` when the outcome could not be determined.  Valid values: `success`, `error`, `unknown` */
    const Status: {
        readonly Success: "success";
        readonly Error: "error";
        readonly Unknown: "unknown";
    };
    type Status = (typeof Status)[keyof typeof Status];
}