export declare const NULL_SENTINEL = "__NULL__";
export declare const RESERVED_DOMAIN_VALUE = "__NULL__";
export declare const GENERATED_ACTION_PREFIX = "Action";
export declare const IDENTIFIER_PATTERN: RegExp;
export declare const isValidIdentifier: (value: string) => boolean;
export declare const isReservedCompilerName: (value: string) => boolean;
export declare const assertIdentifier: (value: string, context: string) => void;