/**
 * Return lexical reads that cannot cross an artifact boundary. This is an Oxc
 * AST binding check, never a source-text heuristic: property names and plain
 * object keys are not lexical reads. The result becomes inert metadata on the
 * macro-produced node and is enforced later by the runtime IR re-lowerer.
 *
 * Kept as the combined `structural ++ free` list so every existing caller and the
 * standalone unit gate see one flat array. `directBuilderBindings` exposes the
 * split the provenance path needs.
 */
export declare function directBuilderUnsupportedBindings(src: string): string[];
/**
 * The analysis, SPLIT into two kinds of unsupported binding:
 *
 * - `structural` — a refusal no provenance can rescue: an un-analyzable node
 *   kind, a non-Identifier parameter, `this` / `arguments`, an async or generator
 *   reducer. These fail closed and fall back to the interpreter.
 * - `free` — a plain lexical read of a name declared OUTSIDE the builder. Such a
 *   name is a refusal on its own, but it CAN be re-bound in a downstream module if
 *   that module re-emits the import it came from. The evaluator resolves each free
 *   name against the authoring module's imports: one that resolves is carried as
 *   import provenance; one that does not stays a refusal.
 */
export declare function directBuilderBindings(src: string): {
    structural: string[];
    free: string[];
};
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