import { ProgressEvent } from "../core/progress.js";
import { ModelInfo } from "../core/progress_log.js";
/**
 * Renders load progress on a terminal using the shared normalized load-log
 * format (core/progress_log.ts) — the same text rendition Share mirrors to
 * the browser console, so a pasted CLI run and a pasted browser log read
 * identically. Format spec: Share design/new/load-log-format.md.
 *
 * Writes to stderr so stdout stays clean for data output. On a TTY the
 * current stage's line repaints in place and freezes (newline) when the
 * stage completes; when redirected (CI logs) it prints the live line at
 * most once per nonTtyIntervalMs plus every frozen stage line.
 */
export declare class CliProgressRenderer {
    private readonly out;
    private readonly nonTtyIntervalMs;
    private readonly log;
    private lastLineLength;
    private lastPrintTime;
    /**
     * Construct this against an output stream.
     *
     * @param out The stream to render to (default stderr).
     * @param nonTtyIntervalMs Minimum ms between live lines when not a TTY.
     */
    constructor(out?: NodeJS.WriteStream, nonTtyIntervalMs?: number);
    /**
     * Print the early model line (from header info).
     *
     * @param info The model header info.
     */
    onModelInfo(info: ModelInfo): void;
    /**
     * Progress callback — bound as an arrow so it can be handed directly to a
     * ProgressTracker / ModelLoadOptions.onProgress.
     *
     * @param event The progress event to render.
     */
    readonly onProgress: (event: ProgressEvent) => void;
    /**
     * Finish rendering: freeze any running stage's line and print the
     * separate before/after Total line.
     *
     * @param atElapsedMs Optional load-end elapsed ms, so the final stage's
     * duration covers the time until the load finished (not just until its
     * last progress event).
     * @param atMemoryMb Optional load-end heap MB.
     */
    done(atElapsedMs?: number, atMemoryMb?: number): void;
    /**
     * Print a line permanently, replacing any animated line on a TTY.
     *
     * @param line The line to freeze.
     */
    private freezeLine;
}
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