import { Node } from "estree";
export interface PrefixJsOption {
    /**
     * Prefix
     */
    prefix: string;
    /**
     * Function name to prefix
     */
    functionName: string;
    /**
     * After prefixing, change function name.
     * In almost all cases, should be set to empty string
     */
    postPrefixFunctionName: string;
}
/**
 * Prefix all words with the given prefix
 */
export declare function prefixJs(options: PrefixJsOption, code: string, ast: Node): {
    code: string;
} | null;