export interface NativeBrandChecks {
    isAsyncFunction(value: unknown): boolean;
    isNativeError(value: unknown): boolean;
    isPromise(value: unknown): boolean;
    isProxy(value: unknown): boolean;
    isUint8Array(value: unknown): boolean;
}
/**
 * Immutable host brand checks captured once at the runtime trust boundary.
 * Browser and edge hosts without Node-compatible primitives remain linkable
 * and use the conservative callers in error-introspection.ts.
 */
export declare const nativeBrandChecks: NativeBrandChecks | undefined;
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