/**
 * @typedef {typeof GROUP_OPEN_SYMBOLS extends ReadonlyArray<infer T> ? T : never} GroupKind
 */
/**
 * @typedef {typeof GROUP_CLOSE_SYMBOLS extends ReadonlyArray<infer T> ? T : never} GroupCloseKind
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: GroupKind
 *   separators: SymbolToken[]
 *   error: string | null
 *   isGroup(kind?: string | undefined, nFields?: number | undefined): boolean
 * }} CommonGroupProps
 */
/**
 * @typedef {CommonGroupProps & {
 *   fields: Token[][]
 * }} TokenGroup
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "int",
 *   value: bigint
 *   isEqual(other: Token): boolean
 * }} IntLiteral
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "real"
 *   value: bigint
 *   isEqual(other: Token): boolean
 * }} RealLiteral
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "string"
 *   value: string
 *   isEqual(other: Token): boolean
 * }} StringLiteral
 */
/**
 * @template {string} [T=string]
 * @typedef {CommonTokenProps & {
 *   kind: "symbol"
 *   value: T
 *   isEqual(other: Token): boolean
 *   matches(value: string | ReadonlyArray<string>): boolean
 * }} SymbolToken
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "word"
 *   value: string
 *   isEqual(other: Token): boolean
 *   isInternal(): boolean
 *   isKeyword(): boolean
 *   matches(value: string | string[]): boolean
 * }} Word
 */
/**
 * @typedef {(
 *   BoolLiteral
 *   | ByteArrayLiteral
 *   | Comment
 *   | TokenGroup
 *   | IntLiteral
 *   | RealLiteral
 *   | StringLiteral
 *   | SymbolToken
 *   | Word
 * )} Token
 */
/**
 * @param {Token} t
 * @returns {t is TokenGroup}
 */
export function isGroup(t: Token): t is TokenGroup;
/**
 * @import {Site} from "src/index.js"
 */
/**
 * @typedef {{
 *   site: Site
 *   toString(preserveWhitespace?: boolean): string
 * }} CommonTokenProps
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "bool"
 *   value: boolean
 *   isEqual(other: Token): boolean
 * }} BoolLiteral
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "bytes"
 *   value: number[]
 *   isEqual(other: Token): boolean
 * }} ByteArrayLiteral
 */
/**
 * @typedef {CommonTokenProps & {
 *   kind: "comment"
 *   value: string
 *   isEqual(other: Token): boolean
 * }} Comment
 */
export const GROUP_OPEN_SYMBOLS: readonly ["(", "[", "{"];
export const GROUP_CLOSE_SYMBOLS: readonly [")", "]", "}"];
export type GroupKind = typeof GROUP_OPEN_SYMBOLS extends ReadonlyArray<infer T> ? T : never;
export type GroupCloseKind = typeof GROUP_CLOSE_SYMBOLS extends ReadonlyArray<infer T> ? T : never;
export type CommonGroupProps = CommonTokenProps & {
    kind: GroupKind;
    separators: SymbolToken[];
    error: string | null;
    isGroup(kind?: string | undefined, nFields?: number | undefined): boolean;
};
export type TokenGroup = CommonGroupProps & {
    fields: Token[][];
};
export type IntLiteral = CommonTokenProps & {
    kind: "int";
    value: bigint;
    isEqual(other: Token): boolean;
};
export type RealLiteral = CommonTokenProps & {
    kind: "real";
    value: bigint;
    isEqual(other: Token): boolean;
};
export type StringLiteral = CommonTokenProps & {
    kind: "string";
    value: string;
    isEqual(other: Token): boolean;
};
export type SymbolToken<T extends string = string> = CommonTokenProps & {
    kind: "symbol";
    value: T;
    isEqual(other: Token): boolean;
    matches(value: string | ReadonlyArray<string>): boolean;
};
export type Word = CommonTokenProps & {
    kind: "word";
    value: string;
    isEqual(other: Token): boolean;
    isInternal(): boolean;
    isKeyword(): boolean;
    matches(value: string | string[]): boolean;
};
export type Token = (BoolLiteral | ByteArrayLiteral | Comment | TokenGroup | IntLiteral | RealLiteral | StringLiteral | SymbolToken | Word);
export type CommonTokenProps = {
    site: Site;
    toString(preserveWhitespace?: boolean): string;
};
export type BoolLiteral = CommonTokenProps & {
    kind: "bool";
    value: boolean;
    isEqual(other: Token): boolean;
};
export type ByteArrayLiteral = CommonTokenProps & {
    kind: "bytes";
    value: number[];
    isEqual(other: Token): boolean;
};
export type Comment = CommonTokenProps & {
    kind: "comment";
    value: string;
    isEqual(other: Token): boolean;
};
import type { Site } from "src/index.js";
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