/**
 * The package's single object-branding mechanism: a `Symbol.for`-keyed property stamp.
 *
 * Why `Symbol.for` and not identity checks (`WeakSet`, `instanceof`): `Symbol.for` keys are
 * process-global, so brands survive a duplicated module graph (two copies of ore bundled into
 * one page — the exact failure mode `src/iife.ts`'s header documents). Identity-based checks
 * silently fail across those copies: an object stamped by one graph is invisible to the other.
 * Every branded runtime object in ore (`HTMLResult`, `DirectiveResult`,
 * `LiveBinding`, `CSSResult`) goes through this helper — do not introduce a second mechanism.
 */
export type Brand<T extends object> = {
    is: (value: unknown) => value is T;
    stamp: (obj: T) => T;
};
export declare const makeBrand: <T extends object>(key: string) => Brand<T>;
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