import { Nullable } from "../shared";
export type TaskExecutionThreadEventType = "generation" | "delegation" | "transfer" | "threadChange" | "toolUse";
export interface TaskExecutionEventBase {
    timestamp: number;
    eventType: TaskExecutionThreadEventType;
    messageId: string;
    action: string;
}
export interface TaskExecutionThreadEvent_Generation extends TaskExecutionEventBase {
    eventType: "generation";
    model: string;
    tokenUsage: {
        input: Nullable<number>;
        output: Nullable<number>;
    };
}
export interface TaskExecutionThreadEvent_Delegation extends TaskExecutionEventBase {
    eventType: "delegation";
    delegateToAgentName: string;
}
export interface TaskExecutionThreadEvent_Transfer extends TaskExecutionEventBase {
    eventType: "transfer";
    fromAgentName: string;
    toAgentName: string;
}
export interface TaskExecutionThreadEvent_ThreadChange extends TaskExecutionEventBase {
    eventType: "threadChange";
    targetThreadId: string;
}
export interface TaskExecutionThreadEvent_ToolUse extends TaskExecutionEventBase {
    eventType: "toolUse";
    toolId: string;
    toolArguments: object;
    toolResult: unknown;
    toolError: Nullable<string>;
}
export type TaskExecutionThreadEvent = TaskExecutionThreadEvent_Generation | TaskExecutionThreadEvent_Delegation | TaskExecutionThreadEvent_Transfer | TaskExecutionThreadEvent_ThreadChange | TaskExecutionThreadEvent_ToolUse;