export interface IWordAtPosition {
    readonly word: string;
    readonly startColumn: number;
    readonly endColumn: number;
}
export declare const USUAL_WORD_SEPARATORS = "`~!@#$%^&*()-=+[{]}\\|;:'\",.<>/?";
export declare const DEFAULT_WORD_REGEXP: RegExp;
export declare function ensureValidWordDefinition(wordDefinition?: RegExp | null): RegExp;
export declare function getWordAtText(column: number, wordDefinition: RegExp, text: string, textOffset: number): IWordAtPosition | null;
export declare function regExpLeadsToEndlessLoop(regexp: RegExp): boolean;
export declare const DefaultWordPattern: RegExp;