/**
 * EBNF (W3C-style) text emitter for the grammar spec model.
 *
 * Precedence, lowest → highest: alternation (`|`) < concatenation (space) <
 * postfix (`* + ?`) < atom. The renderer parenthesizes only where a lower-
 * precedence construct sits inside a higher-precedence one.
 */
import type { SpecModel, SpecNode } from './model.ts';
/** Render the whole spec model as EBNF text (one production per line). */
export declare function renderEBNF(model: SpecModel): string;
/** Render a single production's right-hand side (no `name ::=`). */
export declare function renderExpr(node: SpecNode): string;
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