import type { GhosttyCell, IRenderable } from 'ghostty-web';
export declare const GHOSTTY_VT_SHA256: string;
interface LayoutField {
    offset: number;
    size: number;
    type: string;
}
interface LayoutType {
    size: number;
    fields: Record<string, LayoutField>;
}
export type GhosttyTypeLayout = Record<string, LayoutType>;
type WasmFunction = (...args: number[]) => number;
interface GhosttyExports extends WebAssembly.Exports {
    memory: WebAssembly.Memory;
    ghostty_type_json: WasmFunction;
    ghostty_wasm_alloc_opaque: WasmFunction;
    ghostty_wasm_free_opaque: WasmFunction;
    ghostty_wasm_alloc_u8_array: WasmFunction;
    ghostty_wasm_free_u8_array: WasmFunction;
    ghostty_terminal_new: WasmFunction;
    ghostty_terminal_free: WasmFunction;
    ghostty_terminal_resize: WasmFunction;
    ghostty_terminal_vt_write: WasmFunction;
    ghostty_terminal_scroll_viewport: WasmFunction;
    ghostty_render_state_new: WasmFunction;
    ghostty_render_state_free: WasmFunction;
    ghostty_render_state_update: WasmFunction;
    ghostty_render_state_get: WasmFunction;
    ghostty_render_state_set: WasmFunction;
    ghostty_render_state_row_iterator_new: WasmFunction;
    ghostty_render_state_row_iterator_free: WasmFunction;
    ghostty_render_state_row_iterator_next: WasmFunction;
    ghostty_render_state_row_get: WasmFunction;
    ghostty_render_state_row_cells_new: WasmFunction;
    ghostty_render_state_row_cells_free: WasmFunction;
    ghostty_render_state_row_cells_next: WasmFunction;
    ghostty_render_state_row_cells_get: WasmFunction;
    ghostty_cell_get: (cell: bigint, data: number, out: number) => number;
}
export interface GhosttyVtModule {
    instance: WebAssembly.Instance;
    exports: GhosttyExports;
    layout: GhosttyTypeLayout;
}
export declare function loadGhosttyVt(source?: string | URL | ArrayBuffer): Promise<GhosttyVtModule>;
export declare class GhosttyVtTerminal implements IRenderable {
    readonly module: GhosttyVtModule;
    private readonly exports;
    private terminal;
    private renderState;
    private scratch;
    private readonly scratchLength;
    private lines;
    private graphemes;
    private cursor;
    private dirty;
    cols: number;
    rows: number;
    constructor(module: GhosttyVtModule, cols?: number, rows?: number);
    private view;
    private bytes;
    private createHandle;
    private getRenderU32;
    private getCellU32;
    private resolvedColor;
    private styleFlags;
    write(data: string | Uint8Array): void;
    resize(cols: number, rows: number, cellWidth?: number, cellHeight?: number): void;
    scroll(delta: number): void;
    refresh(): void;
    getLine(y: number): GhosttyCell[] | null;
    getCursor(): {
        x: number;
        y: number;
        visible: boolean;
        blinking: boolean;
        style: "block" | "underline" | "bar" | "blockHollow";
    };
    getDimensions(): {
        cols: number;
        rows: number;
    };
    isRowDirty(): boolean;
    needsFullRedraw(): boolean;
    clearDirty(): void;
    getGraphemeString(row: number, col: number): string;
    lineText(row: number): string;
    free(): void;
}
export {};
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