import { type UIMessage } from 'ai';
import type { ConversationOutcome } from '../outcomes/types.js';
import type { ChoiceOption } from '../types/selection.js';
import type { StreamPart } from '../types/stream.js';
export type KuralleMetadata = {
    sessionId?: string;
};
export type KuralleDataParts = {
    'kuralle-node': {
        event: 'enter' | 'exit';
        node: string;
    };
    'kuralle-flow': {
        event: 'enter' | 'transition' | 'end';
        flow?: string;
        from?: string;
        to?: string;
        reason?: string;
    };
    'kuralle-handoff': {
        targetAgent: string;
        reason?: string;
    };
    'kuralle-interactive': {
        nodeId: string;
        prompt: string;
        options: ChoiceOption[];
    };
    'kuralle-safety': {
        kind: 'safety-blocked' | 'pipeline-validation-block';
        moderator?: string;
        rationale: string;
        userFacingMessage?: string;
    };
    'kuralle-outcome': {
        outcome: ConversationOutcome;
    };
    'kuralle-control': {
        event: 'interrupted' | 'paused';
        reason?: string;
        waitingFor?: string;
        interrupt?: import('../types/stream.js').HitlInterrupt;
    };
    'kuralle-custom': {
        name: string;
        data: unknown;
    };
};
export type KuralleUIMessage = UIMessage<KuralleMetadata, KuralleDataParts>;
export declare function harnessToUIMessageStream(source: AsyncIterable<StreamPart>, opts?: {
    sessionId?: string;
}): ReadableStream;