export declare const MIN_TAB_WIDTH = 1;
export declare const MAX_TAB_WIDTH = 16;
export declare const DEFAULT_TAB_WIDTH = 3;
type TabWidthChangeListener = (width: number) => void;
export declare function onDefaultTabWidthChange(listener: TabWidthChangeListener): () => void;
export declare function getDefaultTabWidth(): number;
export declare function setDefaultTabWidth(width: number): void;
/**
 * Visible tab width in columns for `file` (from `.editorconfig` + default), or the default when `file` is omitted.
 */
export declare function getIndentation(file?: string | null, projectDir?: string | null): number;
export {};