export interface TextEditorState {
    buffer: string;
    cursor: number;
    viewportOffset: number;
}
export interface TextEditorOptions {
    multiLine?: boolean;
}
export declare function createEditorState(initial?: string): TextEditorState;
export declare function wrapText(text: string, width: number): {
    lines: string[];
    starts: number[];
};
export declare function getCursorDisplayPos(cursor: number, starts: number[]): {
    line: number;
    col: number;
};
export declare function ensureCursorVisible(cursorLine: number, viewportHeight: number, currentOffset: number): number;
export declare function handleEditorInput(state: TextEditorState, data: string, width: number, options?: TextEditorOptions): TextEditorState | null;
export declare function renderEditor(state: TextEditorState, width: number, viewportHeight: number): string[];
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