/**
 * Produces a name based off `nameProposal` that is guaranteed to not be a key in `nameMap`.
 */
export declare function getUniqueName(nameProposal: string, nameMap: Map<string, string>, excludeReservedWords?: boolean): string;
/**
 * Checks if `name` is a Javascript or Typescript reserved word.
 */
export declare function isKeyword(name: string): boolean;