/**
 * TUI component for rendering OM observation markers in chat history.
 * Supports updating in-place (start → end/failed).
 */
import { Container } from '@mariozechner/pi-tui';
export type OMMarkerData = {
    type: 'om_observation_start';
    tokensToObserve: number;
    operationType?: 'observation' | 'reflection';
} | {
    type: 'om_observation_end';
    tokensObserved: number;
    observationTokens: number;
    durationMs: number;
    operationType?: 'observation' | 'reflection';
} | {
    type: 'om_observation_failed';
    error: string;
    tokensAttempted?: number;
    operationType?: 'observation' | 'reflection';
} | {
    type: 'om_buffering_start';
    operationType: 'observation' | 'reflection';
    tokensToBuffer: number;
} | {
    type: 'om_buffering_end';
    operationType: 'observation' | 'reflection';
    tokensBuffered: number;
    bufferedTokens: number;
    observations?: string;
} | {
    type: 'om_buffering_failed';
    operationType: 'observation' | 'reflection';
    error: string;
} | {
    type: 'om_activation';
    operationType: 'observation' | 'reflection';
    tokensActivated: number;
    observationTokens: number;
    activationCount?: number;
    activateAfterIdle?: number;
} | {
    type: 'om_activation_provider_change';
    previousModel: string;
    currentModel: string;
} | {
    type: 'om_thread_title_updated';
    oldTitle?: string;
    newTitle: string;
};
/**
 * Renders an inline OM observation marker in the chat history.
 * Can be updated in-place to transition from start → end/failed.
 */
export declare class OMMarkerComponent extends Container {
    private textChild;
    constructor(data: OMMarkerData);
    /**
     * Update the marker in-place (e.g., from start → end).
     */
    update(data: OMMarkerData): void;
}
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