import { And, Colon, ColonNot, Grouping, IParsingExpression, Lake, Nonterminal, Not, OneOrMore, Optional, OrderedChoice, Rewriting, Sequence, Terminal, ZeroOrMore } from './ParsingExpression';
import { IParsingExpressionVisitor } from './IParsingExpressionVisitor';
import { Rule } from './Rule';
export declare class ExpressionCollector implements IParsingExpressionVisitor {
    expressions: IParsingExpression[];
    collect(rules: Map<string, Rule>): IParsingExpression[];
    visitNonterminal(pe: Nonterminal): void;
    visitTerminal(pe: Terminal): void;
    visitZeroOrMore(pe: ZeroOrMore): void;
    visitOneOrMore(pe: OneOrMore): void;
    visitOptional(pe: Optional): void;
    visitAnd(pe: And): void;
    visitNot(pe: Not): void;
    visitSequence(pe: Sequence): void;
    visitOrderedChoice(pe: OrderedChoice): void;
    visitGrouping(pe: Grouping): void;
    visitRewriting(pe: Rewriting): void;
    visitColon(pe: Colon): void;
    visitColonNot(pe: ColonNot): void;
    visitLake(pe: Lake): void;
}
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