/**
 * AG-UI Protocol event types and interfaces.
 *
 * These are self-contained type definitions for the AG-UI protocol,
 * so consumers don't need to install @ag-ui/core separately.
 * See: https://docs.ag-ui.com
 */
export declare enum AgUiEventType {
    RUN_STARTED = "RUN_STARTED",
    RUN_FINISHED = "RUN_FINISHED",
    RUN_ERROR = "RUN_ERROR",
    STEP_STARTED = "STEP_STARTED",
    STEP_FINISHED = "STEP_FINISHED",
    TEXT_MESSAGE_START = "TEXT_MESSAGE_START",
    TEXT_MESSAGE_CONTENT = "TEXT_MESSAGE_CONTENT",
    TEXT_MESSAGE_END = "TEXT_MESSAGE_END",
    TEXT_MESSAGE_CHUNK = "TEXT_MESSAGE_CHUNK",
    TOOL_CALL_START = "TOOL_CALL_START",
    TOOL_CALL_ARGS = "TOOL_CALL_ARGS",
    TOOL_CALL_END = "TOOL_CALL_END",
    TOOL_CALL_RESULT = "TOOL_CALL_RESULT",
    TOOL_CALL_CHUNK = "TOOL_CALL_CHUNK",
    STATE_SNAPSHOT = "STATE_SNAPSHOT",
    STATE_DELTA = "STATE_DELTA",
    MESSAGES_SNAPSHOT = "MESSAGES_SNAPSHOT",
    RAW = "RAW",
    CUSTOM = "CUSTOM"
}
export interface AgUiBaseEvent {
    type: AgUiEventType;
    timestamp?: number;
    rawEvent?: unknown;
}
export interface AgUiRunStartedEvent extends AgUiBaseEvent {
    type: AgUiEventType.RUN_STARTED;
    threadId: string;
    runId: string;
}
export interface AgUiRunFinishedEvent extends AgUiBaseEvent {
    type: AgUiEventType.RUN_FINISHED;
    threadId: string;
    runId: string;
}
export interface AgUiRunErrorEvent extends AgUiBaseEvent {
    type: AgUiEventType.RUN_ERROR;
    message: string;
    code?: string;
}
export interface AgUiStepStartedEvent extends AgUiBaseEvent {
    type: AgUiEventType.STEP_STARTED;
    stepName: string;
}
export interface AgUiStepFinishedEvent extends AgUiBaseEvent {
    type: AgUiEventType.STEP_FINISHED;
    stepName: string;
}
export interface AgUiTextMessageStartEvent extends AgUiBaseEvent {
    type: AgUiEventType.TEXT_MESSAGE_START;
    messageId: string;
    role?: AgUiRole;
}
export interface AgUiTextMessageContentEvent extends AgUiBaseEvent {
    type: AgUiEventType.TEXT_MESSAGE_CONTENT;
    messageId: string;
    delta: string;
}
export interface AgUiTextMessageEndEvent extends AgUiBaseEvent {
    type: AgUiEventType.TEXT_MESSAGE_END;
    messageId: string;
}
export interface AgUiTextMessageChunkEvent extends AgUiBaseEvent {
    type: AgUiEventType.TEXT_MESSAGE_CHUNK;
    messageId?: string;
    role?: AgUiRole;
    delta?: string;
}
export interface AgUiToolCallStartEvent extends AgUiBaseEvent {
    type: AgUiEventType.TOOL_CALL_START;
    toolCallId: string;
    toolCallName: string;
    parentMessageId?: string;
}
export interface AgUiToolCallArgsEvent extends AgUiBaseEvent {
    type: AgUiEventType.TOOL_CALL_ARGS;
    toolCallId: string;
    delta: string;
}
export interface AgUiToolCallEndEvent extends AgUiBaseEvent {
    type: AgUiEventType.TOOL_CALL_END;
    toolCallId: string;
}
export interface AgUiToolCallResultEvent extends AgUiBaseEvent {
    type: AgUiEventType.TOOL_CALL_RESULT;
    toolCallId: string;
    content: string;
}
export interface AgUiToolCallChunkEvent extends AgUiBaseEvent {
    type: AgUiEventType.TOOL_CALL_CHUNK;
    toolCallId?: string;
    toolCallName?: string;
    parentMessageId?: string;
    delta?: string;
}
export interface AgUiStateSnapshotEvent extends AgUiBaseEvent {
    type: AgUiEventType.STATE_SNAPSHOT;
    snapshot: unknown;
}
export interface AgUiStateDeltaEvent extends AgUiBaseEvent {
    type: AgUiEventType.STATE_DELTA;
    delta: unknown[];
}
export interface AgUiMessagesSnapshotEvent extends AgUiBaseEvent {
    type: AgUiEventType.MESSAGES_SNAPSHOT;
    messages: AgUiMessage[];
}
export interface AgUiRawEvent extends AgUiBaseEvent {
    type: AgUiEventType.RAW;
    event: unknown;
    source?: string;
}
export interface AgUiCustomEvent extends AgUiBaseEvent {
    type: AgUiEventType.CUSTOM;
    name: string;
    value: unknown;
}
export type AgUiEvent = AgUiRunStartedEvent | AgUiRunFinishedEvent | AgUiRunErrorEvent | AgUiStepStartedEvent | AgUiStepFinishedEvent | AgUiTextMessageStartEvent | AgUiTextMessageContentEvent | AgUiTextMessageEndEvent | AgUiTextMessageChunkEvent | AgUiToolCallStartEvent | AgUiToolCallArgsEvent | AgUiToolCallEndEvent | AgUiToolCallResultEvent | AgUiToolCallChunkEvent | AgUiStateSnapshotEvent | AgUiStateDeltaEvent | AgUiMessagesSnapshotEvent | AgUiRawEvent | AgUiCustomEvent;
export type AgUiRole = 'developer' | 'system' | 'assistant' | 'user' | 'tool';
export interface AgUiMessage {
    id: string;
    role: AgUiRole;
    content?: string;
    name?: string;
    toolCallId?: string;
}
export interface AgUiTool {
    name: string;
    description: string;
    parameters: Record<string, unknown>;
}
export interface AgUiContext {
    description: string;
    value: string;
}
export interface AgUiRunAgentInput {
    threadId: string;
    runId: string;
    messages: AgUiMessage[];
    tools: AgUiTool[];
    context: AgUiContext[];
    state: unknown;
    forwardedProps: Record<string, unknown>;
}
export interface AgUiToolCallInfo {
    toolCallId: string;
    toolCallName: string;
    args: string;
}