/**
 * Represents a token produced by the syntax highlighting tokenizer.
 * A token has a type (e.g. 'keyword', 'string', 'comment') and content
 * which can be a string, a single nested token, or an array of mixed strings and tokens.
 */
export interface SyntaxToken {
  type: string;
  content: string | SyntaxToken | (string | SyntaxToken)[];
}
/**
 * A grammar rule pattern used for tokenizing source code.
 * Each pattern has a regex to match and an optional `inside` grammar for nested tokenization.
 */
export interface GrammarPattern {
  pattern: RegExp;
  lookbehind?: boolean;
  greedy?: boolean;
  inside?: Grammar;
}
/**
 * A grammar is a map of token type names to their pattern definitions.
 * Each entry can be a single pattern, an array of patterns, or a nested grammar reference.
 */
export declare type GrammarEntry = GrammarPattern | GrammarPattern[];
export declare type Grammar = Record<string, GrammarEntry>;