import * as BabelTypes from "@babel/types";
import { Visitor, NodePath } from "@babel/traverse";
export declare const RUNTIME_IMPORT = "babel-plugin-ts-optchain/lib/runtime";
export interface PluginOptions {
    opts?: {
        target?: string;
        runtime?: string;
    };
    file: {
        path: NodePath;
    };
}
export interface Babel {
    types: typeof BabelTypes;
}
export declare function transformOptchainCall(t: Babel["types"], path: NodePath<BabelTypes.CallExpression>): void;
export default function tsOptChainPlugin(babel: Babel): {
    visitor: Visitor<PluginOptions>;
};