import type { AgentEvent } from '../agent/AgentLoop.js';
export type PresentationRole = 'user' | 'assistant' | 'tool' | 'system';
export interface FlatChatMessage {
    id?: string;
    role: PresentationRole;
    content: string;
    toolName?: string;
    toolArgs?: Record<string, unknown>;
    toolCallId?: string;
    toolStatus?: ToolLifecyclePart['status'];
    durationMs?: number;
    errorType?: string;
    model?: string;
    timestamp: Date;
    checkpointId?: string;
}
export type VisualPartKind = 'text' | 'tool' | 'error' | 'route' | 'compact' | 'research';
export interface ToolLifecyclePart {
    kind: 'tool';
    id: string;
    toolCallId?: string;
    toolName?: string;
    args?: Record<string, unknown>;
    content: string;
    status: 'running' | 'success' | 'error' | 'timeout' | 'cancelled';
    startedAt: Date;
    endedAt?: Date;
    durationMs?: number;
    errorType?: string;
}
export interface TextVisualPart {
    kind: 'text';
    content: string;
    model?: string;
    startedAt: Date;
    updatedAt: Date;
}
export interface NonTextVisualPart {
    kind: Exclude<VisualPartKind, 'text' | 'tool'>;
    content: string;
    toolName?: string;
    timestamp: Date;
}
export type VisualPart = TextVisualPart | ToolLifecyclePart | NonTextVisualPart;
export interface CompletionMetadata {
    model?: string;
    durationMs?: number;
    toolCount: number;
}
export interface PresentationTurnState {
    turnId?: string;
    startedAt: Date;
    updatedAt: Date;
    parts: VisualPart[];
    activeToolIds: string[];
    toolCount: number;
    completed?: CompletionMetadata;
}
export interface PresentationState {
    messages: FlatChatMessage[];
    baseMessages: FlatChatMessage[];
    currentTurn?: PresentationTurnState;
}
export interface ApplyEventOptions {
    model?: string;
    now?: Date;
    renderToolEnd?: (event: AgentEvent) => string;
}
export declare function boundedLiveToolPreview(content: string): string;
export declare function startUserTurn(state: PresentationState, content: string, options?: {
    now?: Date;
    turnId?: string;
}): PresentationState;
export declare function applyAgentEvents(state: PresentationState, events: AgentEvent[], options?: ApplyEventOptions): PresentationState;
export declare function applyAgentEvent(state: PresentationState, event: AgentEvent, options?: ApplyEventOptions): PresentationState;
export declare function flattenPresentationState(state: PresentationState, options?: Pick<ApplyEventOptions, 'model' | 'renderToolEnd'>): FlatChatMessage[];
export declare function createPresentationState(messages?: FlatChatMessage[]): PresentationState;
//# sourceMappingURL=TurnState.d.ts.map