/**
 * Validation for `<gen type="date" of="…">` — a date measured from another date.
 *
 * `of=` is what turns a date generator from a DRAW into an OFFSET, and the two
 * are configured by different attributes entirely. That makes the mistakes here
 * silent ones by nature: a `from=` written beside an `of=` looks like it bounds
 * the result and does nothing at all, because the result is wherever the source
 * plus the offset lands. So each is named rather than ignored.
 *
 * The declaration-order complaint is TDC240, shared with `running` and `stat` —
 * the same rule, the same fix, and the offset is built in declaration order for
 * the same reason they are: it reads a column that has to exist already.
 */
import type { Diagnostic } from '../errors/index.js';
import type { OpenCloseElementContext, SelfClosingElementContext } from '../generated/TDCParser.js';
/** Everything a date offset needs said, and nothing that contradicts it. */
export declare function checkGenDateOffset(gen: OpenCloseElementContext | SelfClosingElementContext, declaredAbove: readonly string[], diagnostics: Diagnostic[], repeating?: readonly string[]): void;
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