export type RegexFlags = {
    global: boolean;
    ignoreCase: boolean;
    multiline: boolean;
    dotAll: boolean;
};
export type CharacterKind = "digit" | "word" | "space";
export type CharacterClassItem = {
    type: "character";
    value: string;
} | {
    type: "range";
    from: string;
    to: string;
} | {
    type: "kind";
    kind: CharacterKind;
    negated: boolean;
};
export type RegexNode = {
    type: "empty";
} | {
    type: "literal";
    value: string;
} | {
    type: "dot";
} | {
    type: "anchor";
    kind: "start" | "end";
} | {
    type: "wordBoundary";
    negated: boolean;
} | {
    type: "characterClass";
    negated: boolean;
    items: CharacterClassItem[];
} | {
    type: "sequence";
    elements: RegexNode[];
} | {
    type: "alternation";
    alternatives: RegexNode[];
} | {
    type: "group";
    capturing: boolean;
    index?: number;
    body: RegexNode;
} | {
    type: "quantifier";
    body: RegexNode;
    min: number;
    max?: number;
    greedy: boolean;
};
export type RegexPattern = {
    source: string;
    flags: RegexFlags;
    captureCount: number;
    body: RegexNode;
};
export declare function parseRegex(source: string, flags?: string): RegexPattern;