/**
 * session-stream-pane.ts — Streaming token renderer component.
 *
 * Renders a live-updating conversation stream from session events,
 * with word wrapping, scrollback, and auto-scroll behaviour.
 * Follows the same patterns as ConversationViewer.
 */
import { type Component, type TUI } from "@mariozechner/pi-tui";
import type { SessionEventStream } from "../session-events.js";
import type { Theme } from "./agent-widget.js";
/**
 * Streaming conversation pane with scrollback.
 */
export declare class SessionStreamPane implements Component {
    private tui;
    private theme;
    private entries;
    private scrollOffset;
    private autoScroll;
    private unsubscribe;
    private lastInnerW;
    private closed;
    constructor(tui: TUI, events: SessionEventStream, theme: Theme, agentInfo: {
        type: string;
        description: string;
    });
    /**
     * Handle an incoming session event and update display entries.
     */
    private handleEvent;
    /**
     * Append text to the last assistant entry, or create a new one.
     */
    private appendToLastAssistant;
    render(width: number): string[];
    handleInput(data: string): void;
    invalidate(): void;
    dispose(): void;
    private viewportHeight;
    /**
     * Build rendered content lines from accumulated entries.
     */
    private buildContentLines;
}