import type { Checkpoint, SymMatcherHandler, SymMatcherOptions, SymMatcherValue } from '../types';
import { AbstractMatcher } from './abstract-matcher';
export declare class SymMatcher<Ctx> extends AbstractMatcher<Ctx> {
    readonly sym: SymMatcherValue;
    readonly handler: SymMatcherHandler<Ctx>;
    constructor({ value, handler }: SymMatcherOptions<Ctx>);
    match(checkpoint: Checkpoint<Ctx>): Checkpoint<Ctx> | null;
}
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