import { Logger } from '../util/logger';
export declare class ReferenceResolver {
    private stepResults;
    private context;
    private logger;
    private resolvingPaths;
    constructor(stepResults: Map<string, any>, context: Record<string, any>, logger: Logger);
    private checkForCircularReference;
    /**
     * Extracts references from a string like "I like ${foo} and ${bar}" and returns ["${foo}", "${bar}"]
     */
    resolveReferencesFromString(str: string): string[];
    private trackResolutionPath;
    private wrapError;
    private handleSimplePathResolution;
    /**
     * Resolves a reference string like "${step1.data.value}" to its value
     */
    resolveReference(ref: string, extraContext?: Record<string, any>): any;
    /**
     * Recursively resolves all references in an object or array
     */
    resolveReferences(obj: any, extraContext?: Record<string, any>): any;
    /**
     * Resolves a path like "step1.data.value" or "step1['data']['value']" to its value
     */
    resolvePath(path: string, extraContext?: Record<string, any>): any;
    getStepResults(): Map<string, any>;
}