export interface RE2ExecArray extends Array<string | undefined> {
    index: number;
    input: string;
    groups?: {
        [key: string]: string;
    };
}
export interface RE2MatchArray extends Array<string | undefined> {
    index?: number;
    input?: string;
    groups?: {
        [key: string]: string;
    };
}
export declare class RE2 {
    private _global;
    private _ignoreCase;
    private _multiline;
    private _dotAll;
    private _unicode;
    private _sticky;
    lastIndex: number;
    private pattern;
    private wrapper;
    private groupNames;
    private namedGroups;
    constructor(pattern: string | RegExp | RE2, flags?: string);
    get source(): string;
    get internalSource(): string;
    get flags(): string;
    get global(): boolean;
    get ignoreCase(): boolean;
    get multiline(): boolean;
    get dotAll(): boolean;
    get unicode(): boolean;
    get sticky(): boolean;
    toString(): string;
    private getMaybeStickyIndex;
    private isMatchSuccessful;
    private maybeUpdateLastIndex;
    private getNamedGroups;
    exec(input: string): RE2ExecArray | null;
    test(input: string): boolean;
    compile(): this;
    [Symbol.match](input: string): RE2MatchArray | null;
    match(input: string): RE2MatchArray | null;
    /**
     * Outputs the replacement for the matched part of the string
     * @param input
     * @param match
     * @param replacer
     */
    private replaceMatch;
    [Symbol.replace](input: string, replacer: string | ((substring: string, ...args: any[]) => string)): string;
    replace(input: string, replacer: string | ((substring: string, ...args: any[]) => string)): string;
    [Symbol.search](input: string): number;
    search(input: string): number;
    [Symbol.split](input: string, limit?: number): (string | undefined)[];
    split(input: string, limit?: number): (string | undefined)[];
}