import type { RNodeWithParent } from '../../../r-bridge/lang-4.x/ast/model/processing/decorate';
import type { Lift, Value, ValueSet } from './r-value';
import { Bottom, Top } from './r-value';
/**
 * Takes n potentially lifted ops and returns `Top` or `Bottom` if any is `Top` or `Bottom`.
 */
export declare function bottomTopGuard(...a: Lift<unknown>[]): typeof Top | typeof Bottom | undefined;
/**
 * Returns a value set, if a is not bottom or top, otherwise undefined.
 * Useful when working with values returned by {@link resolveIdToValue}
 *
 * @param a - value set to check
 * @returns value set if a is not top or bottom
 */
export declare function valueSetGuard(a: Lift<ValueSet<Value[]>>): ValueSet<Value[]> | undefined;
/**
 * Constructs an Abstract Value from a normal TS value
 * @param a - ts value
 * @returns abstract value
 */
export declare function valueFromTsValue(a: unknown): Value;
/**
 * Converts a constant from an RNode into an abstract value
 * @param a - RNode constant
 * @returns abstract value
 */
export declare function valueFromRNodeConstant(a: RNodeWithParent): Value;