/**
 * `<gen type="template" foo="bar">` — is `foo` a parameter this pack accepts?
 *
 * A generator pack's parameters are the names of the `<sequence>`s in its body:
 * passing `tax_office="7712"` replaces the sequence called `tax_office` for
 * that run. Anything else was accepted in silence and did nothing.
 *
 * That silence is how a whole class of rot went unnoticed. `country="GB"` on
 * `common.phone.e164` returns the same Brazilian number as `country="US"`, as
 * `country="RU"`, and as no attribute at all — the pack is one regex
 * alternation with no `country` sequence in it. The same is true of `length=`
 * on `common.id.nanoid`, `algorithm=` on `security.jwt`, `format=` on
 * `brazil.tax.cpf` and a dozen more: paths that became static packs, with the
 * parameters that used to shape them left behind in the documentation.
 *
 * A user who writes one of those reads the docs, gets no error, and receives
 * data they believe they configured. Saying so out loud is the whole fix.
 */
import { type Diagnostic } from '../errors/index.js';
import type { AttrContext } from '../generated/TDCParser.js';
export type PackParams = ReadonlyMap<string, ReadonlySet<string>>;
/** Address → parameter → the width the pack's own sequence always produces. */
export type PackParamWidths = ReadonlyMap<string, ReadonlyMap<string, number>>;
/** The two lookups these checks read, plus the locale that resolves the address. */
export interface PackParamCtx {
    readonly locale: string;
    readonly packParams: PackParams | undefined;
    readonly packParamWidths: PackParamWidths | undefined;
}
/**
 * Report attributes on a template `<gen>` that the target pack cannot act on.
 *
 * Silent when the pack is unknown to this run (a locale-resolved shape, or no
 * registry supplied): guessing there would produce exactly the false errors
 * this check must not create.
 */
export declare function checkTemplateParams(attrs: readonly AttrContext[], attrMap: Readonly<Record<string, string>>, path: string, ctx: PackParamCtx, diagnostics: Diagnostic[]): void;
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