export type CharCodeRange = {
    start: number;
    end: number;
};
export declare const empty: CharCodeRange;
export declare function range(start: number, end?: number): CharCodeRange;
export declare function includes(range: CharCodeRange, charCode: number): boolean;
export declare function isSubRangeOf(rangeA: CharCodeRange, rangeB: CharCodeRange): boolean;
export declare function isStrictlyBefore(rangeA: CharCodeRange, rangeB: CharCodeRange): boolean;
export declare function isStrictlyAfter(rangeA: CharCodeRange, rangeB: CharCodeRange): boolean;
export declare function disjoint(rangeA: CharCodeRange, rangeB: CharCodeRange): boolean;
export declare function strictlyDisjoint(rangeA: CharCodeRange, rangeB: CharCodeRange): boolean;
export declare function singleton(char: string | number): CharCodeRange;
export declare function size(range: CharCodeRange): number;
export declare function isEmpty(range: CharCodeRange): boolean;
export declare function leastUpperBound(rangeA: CharCodeRange, rangeB: CharCodeRange): CharCodeRange;
export declare function union(rangeA: CharCodeRange, rangeB: CharCodeRange): [] | [CharCodeRange] | [CharCodeRange, CharCodeRange];
export declare function splitAt(point: number, range: CharCodeRange): [CharCodeRange, CharCodeRange];
export declare function difference(rangeA: CharCodeRange, rangeB: CharCodeRange): [] | [CharCodeRange] | [CharCodeRange, CharCodeRange];
export declare function mustBeEscapedInsideBrackets(char: string): char is "\\" | "]" | "-";
export declare function mustBeEscapedOutsideBrackets(char: string): boolean;
export declare function toString(range: CharCodeRange): string;