import type { AsciiArtColorDepth } from '../utils/ascii-art/convertImageDataToAsciiArt';
import type { ResolvedAvatarRenderDefinition } from './renderAvatarVisual';
import type { AvatarDefinition } from './types/AvatarDefinition';
import type { AvatarSurfaceStyle, AvatarVisualId, AvatarVisualTerminalTextGrid } from './types/AvatarVisualDefinition';
/**
 * Options shared by the terminal-text avatar renderers.
 *
 * @private within the repository
 */
export type RenderAvatarVisualTerminalTextOptions = {
    /**
     * Stable visual identity of the rendered agent avatar.
     */
    readonly avatarDefinition: AvatarDefinition;
    /**
     * Built-in avatar visual to render, the same one used on the website.
     */
    readonly visualId: AvatarVisualId;
    /**
     * Surface used to derive the avatar palette.
     *
     * @default 'framed'
     */
    readonly surface?: AvatarSurfaceStyle;
    /**
     * Output width in terminal character cells.
     */
    readonly columns: number;
    /**
     * Output height in terminal character cells.
     */
    readonly rows: number;
    /**
     * Animation timestamp for animated visuals.
     */
    readonly timeMs: number;
    /**
     * Optional stable render data reused across frames.
     */
    readonly resolvedAvatarRenderDefinition?: ResolvedAvatarRenderDefinition;
};
/**
 * Options for `renderAvatarVisualTerminalTextLines`.
 *
 * @private within the repository
 */
export type RenderAvatarVisualTerminalTextLinesOptions = RenderAvatarVisualTerminalTextOptions & {
    /**
     * Color depth of the emitted ANSI escape codes.
     *
     * @default 'TRUE_COLOR'
     */
    readonly colorDepth?: AsciiArtColorDepth;
};
/**
 * Renders one frame of a character-based avatar visual straight into terminal character cells.
 *
 * Visuals which are themselves made of characters, for example `AsciiOctopus`, lose their identity
 * when they are rasterized onto a canvas and converted back into half-block ASCII art - every glyph
 * is averaged away into a colored blob. Such visuals expose `renderTerminalText`, which paints the
 * terminal grid directly and is used instead of the raster pipeline.
 *
 * The square avatar is centered inside the requested grid the same way `renderAvatarVisualAsciiArt`
 * centers the avatar canvas inside a wider terminal frame.
 *
 * @param options Avatar identity, visual selection, and output grid size.
 * @returns Grid of `rows` rows of `columns` cells, or `null` when the visual has no terminal renderer.
 *
 * @private within the repository
 */
export declare function renderAvatarVisualTerminalTextGrid(options: RenderAvatarVisualTerminalTextOptions): AvatarVisualTerminalTextGrid | null;
/**
 * Renders one frame of a character-based avatar visual into ANSI-colored terminal lines.
 *
 * @param options Avatar identity, visual selection, output grid size, and ANSI color depth.
 * @returns One ANSI-colored string per output row, or `null` when the visual has no terminal renderer.
 *
 * @private within the repository
 */
export declare function renderAvatarVisualTerminalTextLines(options: RenderAvatarVisualTerminalTextLinesOptions): ReadonlyArray<string> | null;