/**
 * Low-level typed bindings to the ghostty-vt WASM module built from
 * our Zig export layer (zig/src/wasm_api.zig).
 *
 * Each exported Zig function maps 1:1 to a property on GhosttyExports.
 * This module handles WASM loading, memory management, and cell parsing.
 */
import type { UnderlineStyle } from "@wterm/core";
export interface GhosttyExports {
    memory: WebAssembly.Memory;
    init(cols: number, rows: number, max_scrollback: number, foreground_rgb: number, background_rgb: number, image_storage_limit: number): number;
    deinit(ptr: number): void;
    resize(ptr: number, cols: number, rows: number): void;
    write(ptr: number, data_ptr: number, data_len: number): void;
    update(ptr: number): void;
    /** Host foreground/background/cursor and 16 palette entries as 19 little-endian u32s. */
    set_theme_colors?(ptr: number, colors_ptr: number): void;
    /** 0 = foreground, 1 = background, 2 = cursor; -1 when unset. */
    get_color_override?(ptr: number, target: number): number;
    get_viewport(ptr: number, buf_ptr: number): number;
    /** 20-byte cells with underline style/color. Optional for older binaries. */
    get_viewport_v2?(ptr: number, buf_ptr: number): number;
    get_viewport_grapheme(ptr: number, row: number, col: number, buf_ptr: number, buf_len: number): number;
    get_viewport_hyperlink(ptr: number, row: number, col: number, buf_ptr: number, buf_len: number): number;
    is_dirty(ptr: number): number;
    is_dirty_row(ptr: number, row: number): number;
    clear_dirty(ptr: number): void;
    get_cursor_row(ptr: number): number;
    get_cursor_col(ptr: number): number;
    get_cursor_visible(ptr: number): number;
    get_cursor_shape?(ptr: number): number;
    get_cursor_blinking?(ptr: number): number;
    cursor_keys_app(ptr: number): number;
    bracketed_paste(ptr: number): number;
    using_alt_screen(ptr: number): number;
    mouse_tracking(ptr: number): number;
    mouse_sgr(ptr: number): number;
    mouse_encoding?(ptr: number): number;
    focus_events(ptr: number): number;
    synchronized_output(ptr: number): number;
    synchronized_output_generation(ptr: number): number;
    kitty_keyboard_flags?(ptr: number): number;
    graphics_generation?(ptr: number): number;
    graphics_image_count?(ptr: number): number;
    graphics_placement_count?(ptr: number): number;
    graphics_bytes_used?(ptr: number): number;
    graphics_capacity?(ptr: number): number;
    graphics_rejected?(ptr: number): number;
    graphics_evicted?(ptr: number): number;
    graphics_images?(ptr: number, buf_ptr: number, max_records: number): number;
    graphics_placements?(ptr: number, buf_ptr: number, max_records: number): number;
    graphics_image_size?(ptr: number, image_id: number, version: number): number;
    graphics_image_copy?(ptr: number, image_id: number, version: number, buf_ptr: number, buf_len: number): number;
    get_cols(ptr: number): number;
    get_rows(ptr: number): number;
    /** Bit 0: wraps to next; bit 1: continues previous. -1 for an invalid row. */
    get_row_wraps?(ptr: number, row: number): number;
    track_position?(ptr: number, row: number, col: number): number;
    /** Retained row * 65536 + column, or -1 for an invalidated handle. */
    resolve_position?(ptr: number, handle: number): number;
    release_position?(ptr: number, handle: number): void;
    get_scrollback_count(ptr: number): number;
    get_scrollback_row_wraps?(ptr: number, offset: number): number;
    get_scrollback_discarded_count(ptr: number): number;
    get_scrollback_line(ptr: number, offset: number, buf_ptr: number, max_cols: number): number;
    get_scrollback_line_v2?(ptr: number, offset: number, buf_ptr: number, max_cols: number): number;
    get_scrollback_grapheme(ptr: number, offset: number, col: number, buf_ptr: number, buf_len: number): number;
    get_scrollback_hyperlink(ptr: number, offset: number, col: number, buf_ptr: number, buf_len: number): number;
    read_response(ptr: number, buf_ptr: number, buf_len: number): number;
    get_title_len?(ptr: number): number;
    get_title_ptr?(ptr: number): number;
    get_working_directory_len?(ptr: number): number;
    get_working_directory_ptr?(ptr: number): number;
    get_bell_count?(ptr: number): number;
    get_clipboard_write_len?(ptr: number): number;
    get_clipboard_write_ptr?(ptr: number): number;
    get_shell_phase?(ptr: number): number;
    get_shell_exit_code?(ptr: number): number;
    find_prompt?(ptr: number, row: number, direction: number): number;
    alloc_buffer(len: number): number;
    free_buffer(ptr: number, len: number): void;
}
export interface GhosttyWasm {
    exports: GhosttyExports;
    instance: WebAssembly.Instance;
}
declare const CELL_BYTES = 16;
export declare const CELL_BYTES_V2 = 20;
/**
 * Load the ghostty-vt WASM module.
 *
 * @param wasmUrl - URL or path to the .wasm file. Defaults to the
 *   committed binary at `../wasm/ghostty-vt.wasm`.
 */
export declare function loadGhosttyWasm(wasmUrl?: string): Promise<GhosttyWasm>;
/** Parsed cell data from the viewport buffer. */
export interface WasmCellData {
    codepoint: number;
    fgR: number;
    fgG: number;
    fgB: number;
    bgR: number;
    bgG: number;
    bgB: number;
    flags: number;
    width: number;
    /** Bit 0: explicit fg, bit 1: explicit bg, bit 2 (v2): explicit underline */
    colorFlags: number;
    underlineStyle?: UnderlineStyle;
    underlineRgb?: number;
    hasGrapheme: boolean;
    hasHyperlink: boolean;
    spacerHead: boolean;
}
/**
 * Parse a single cell from the viewport buffer at the given byte offset.
 * The buffer layout matches the selected cell export from wasm_api.zig.
 */
export declare function parseCell(view: DataView, byteOffset: number, cellBytes?: number): WasmCellData;
/** Byte size of one cell in the viewport buffer. */
export { CELL_BYTES };
/**
 * Allocate a buffer in WASM memory and return its pointer.
 * The caller must free it with freeBuffer when done.
 */
export declare function allocBuffer(wasm: GhosttyWasm, size: number): number;
/** Free a buffer previously allocated with allocBuffer. */
export declare function freeBuffer(wasm: GhosttyWasm, ptr: number, size: number): void;
export declare const GRAPHICS_IMAGE_BYTES = 16;
export declare const GRAPHICS_PLACEMENT_BYTES = 60;
export interface WasmGraphicsImage {
    imageId: number;
    version: number;
    width: number;
    height: number;
}
export interface WasmGraphicsPlacement {
    placementKey: string;
    imageId: number;
    imageVersion: number;
    row: number;
    col: number;
    offsetX: number;
    offsetY: number;
    sourceX: number;
    sourceY: number;
    sourceWidth: number;
    sourceHeight: number;
    columns: number;
    rows: number;
    z: number;
}
export declare function readGraphicsImages(wasm: GhosttyWasm, termPtr: number, bufPtr: number, capacity: number): WasmGraphicsImage[];
export declare function readGraphicsPlacements(wasm: GhosttyWasm, termPtr: number, bufPtr: number, capacity: number): WasmGraphicsPlacement[];
/**
 * Write a UTF-8 string into WASM memory and call the terminal's write
 * function. Handles allocation/deallocation of the transfer buffer.
 */
export declare function writeString(wasm: GhosttyWasm, termPtr: number, str: string, afterChunk?: () => void): void;
/**
 * Write raw bytes into the terminal. Handles allocation/deallocation
 * of the transfer buffer.
 */
export declare function writeBytes(wasm: GhosttyWasm, termPtr: number, data: Uint8Array, afterChunk?: () => void): void;
//# sourceMappingURL=wasm-bindings.d.ts.map