import type { EvaluationContext, Logger, JsonValue } from '@openfeature/core';
import type { FlagdCoreOptions } from '../options';
export declare class Targeting {
    private logger;
    private readonly _compiledLogic?;
    private readonly _engine?;
    private readonly _logic?;
    private readonly _useInterpreter;
    constructor(logic: unknown, logger: Logger, options?: FlagdCoreOptions);
    /**
     * Recursively walks the json-logic tree and throws if any referenced method
     * is not registered on the engine. This mirrors the validation that
     * engine.build() performs at compile time, ensuring consistent PARSE_ERROR
     * behavior in interpreter mode.
     */
    private static validateMethods;
    evaluate<T extends JsonValue>(flagKey: string, ctx: EvaluationContext, logger?: Logger): T;
}