import type { Background, Feature, GherkinDocument, Rule, Scenario, Step } from '@cucumber/messages';
export interface IFilters {
    acceptScenario?: (scenario: Scenario) => boolean;
    acceptStep?: (step: Step) => boolean;
    acceptBackground?: (background: Background) => boolean;
    acceptRule?: (rule: Rule) => boolean;
    acceptFeature?: (feature: Feature) => boolean;
}
export interface IHandlers {
    handleStep?: (step: Step) => void;
    handleScenario?: (scenario: Scenario) => void;
    handleBackground?: (background: Background) => void;
    handleRule?: (rule: Rule) => void;
    handleFeature?: (feature: Feature) => void;
}
export declare const rejectAllFilters: IFilters;
export default class GherkinDocumentWalker {
    private readonly filters;
    private readonly handlers;
    constructor(filters?: IFilters, handlers?: IHandlers);
    walkGherkinDocument(gherkinDocument: GherkinDocument): GherkinDocument | null;
    protected walkFeature(feature: Feature): Feature;
    private copyFeature;
    private copyTags;
    private filterFeatureChildren;
    private walkFeatureChildren;
    protected walkRule(rule: Rule): Rule;
    private copyRule;
    private filterRuleChildren;
    private walkRuleChildren;
    protected walkBackground(background: Background): Background;
    private copyBackground;
    protected walkScenario(scenario: Scenario): Scenario;
    private copyScenario;
    protected walkAllSteps(steps: readonly Step[]): Step[];
    protected walkStep(step: Step): Step;
    private copyStep;
}