import { Comment } from '../types/comment';
import { ASTBaseBlockWithScope, ASTLiteral } from './ast';
import { LineRegistry } from './line-registry';
export interface ParserStateSnapshot {
    literalsLength: number;
    scopesLength: number;
    commentsLength: number;
    lineRegistryItemsLength: number;
}
export declare class ParserState {
    literals: ASTLiteral[];
    comments: Comment[];
    scopes: ASTBaseBlockWithScope[];
    lineRegistry: LineRegistry;
    constructor();
    snapshot(): ParserStateSnapshot;
    restore(snapshot: ParserStateSnapshot): void;
    merge(other: ParserState): void;
    createEmpty(): ParserState;
    clone(): ParserState;
}