export declare const NAME_PATTERN: RegExp;
/** The "expected …" part of every invalid-name message. */
export declare const NAME_HINT = "expected /[A-Za-z_][A-Za-z0-9_]*/ other than `__proto__`";
export declare const INT_PATTERN: RegExp;
export declare function isName(text: string): boolean;
/** Trigger keywords of the label grammar; an event may not be called like them. */
export declare const RESERVED_TRIGGERS: ReadonlySet<string>;
/** The `[*]` pseudo-state of mermaid (initial on the left, final on the right of `-->`). */
export declare const PSEUDO_STATE = "[*]";