import type { NodeId } from '../../r-bridge/lang-4.x/ast/model/processing/node-id';
import type { REnvironmentInformation } from '../environments/environment';
import type { Identifier } from '../environments/identifier';
export type ReplacementOperatorHandlerArgs = {
    operator: Identifier;
    target: string | undefined;
    env: REnvironmentInformation;
    id: NodeId;
};
export type ReplacementOperatorHandler = (args: ReplacementOperatorHandlerArgs) => void;
/**
 * Register a new (global) handler for replacement operators.
 * @see {@link handleReplacementOperator}
 */
export declare function onReplacementOperator(handler: ReplacementOperatorHandler): void;
/**
 * Handle a replacement operator by calling all registered handlers.
 * @see {@link onReplacementOperator}
 */
export declare function handleReplacementOperator(args: ReplacementOperatorHandlerArgs): void;