/**
 * `${{Name}}` written into an attribute that does not read it.
 *
 * Interpolation reaches exactly two places: the TEXT inside `<data>`, and
 * `<gen type="template" value=>`, where a path may be finished by another
 * column. Everywhere else the braces are eight literal characters — and the
 * generator that receives them complains about whatever it happens to be
 * parsing, which is true and tells the reader nothing:
 *
 *     <gen type="number" value="1..${{N}}"/>   TDC081  invalid number range
 *     <gen type="date"   from="${{In}}"/>      TDC151  invalid date
 *     <gen type="regex"  value="${{N}}[0-9]"/> TDC097  quantifier must start with a number
 *     <gen type="symbol" alphabet="${{N}}"/>   TDC099  unknown alphabet
 *     <gen type="text"   value="${{N}}"/>      nothing at all — emits ${{N}} literally
 *
 * Five messages and one silence for one mistake, and none of them names it. The
 * reader has seen `${{}}` work in a `template` value and moves it one generator
 * across, which is the most natural thing in the world.
 *
 * So the cause is named once, here, before the generator ever sees the value.
 * The check is deliberately blind to WHICH attribute: a list of "attributes that
 * do not interpolate" would be every attribute but one, and would have to be
 * kept in step with every generator added later.
 *
 * It REPLACES the generator's own complaint rather than sitting beside it — the
 * same choice the XML-entity check in an `if=` makes, and for the same reason:
 * two messages for one mistake, one of them naming the wrong thing, is worse
 * than one that is right.
 */
import type { Diagnostic } from '../errors/index.js';
import type { AttrContext } from '../generated/TDCParser.js';
/**
 * Report `${{…}}` in any attribute of this `<gen>` that will not expand it.
 *
 * `template value=` is the one exception and is skipped by name; everything
 * else — including `value=` on any other type — is reported.
 */
export declare function checkAttrInterpolation(attrs: readonly AttrContext[], diagnostics: Diagnostic[]): boolean;
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