import { StatsbeatFeature, StatsbeatInstrumentation } from "../../shim/types";
/**
 * Utility class to manage statsbeat features using bitmap flags
 */
export declare class StatsbeatFeaturesManager {
    private static instance;
    /**
     * Get the singleton instance of StatsbeatFeaturesManager
     */
    static getInstance(): StatsbeatFeaturesManager;
    /**
     * Get the current statsbeat features configuration from environment variable
     */
    private getCurrentConfig;
    /**
     * Set the statsbeat features environment variable with updated configuration
     */
    private setConfig;
    /**
     * Enable a specific statsbeat feature by setting the corresponding bit
     */
    enableFeature(feature: StatsbeatFeature): void;
    /**
     * Disable a specific statsbeat feature by clearing the corresponding bit
     */
    disableFeature(feature: StatsbeatFeature): void;
    /**
     * Check if a specific statsbeat feature is enabled
     */
    isFeatureEnabled(feature: StatsbeatFeature): boolean;
    /**
     * Enable a specific statsbeat instrumentation by setting the corresponding bit
     */
    enableInstrumentation(instrumentation: StatsbeatInstrumentation): void;
    /**
     * Disable a specific statsbeat instrumentation by clearing the corresponding bit
     */
    disableInstrumentation(instrumentation: StatsbeatInstrumentation): void;
    /**
     * Check if a specific statsbeat instrumentation is enabled
     */
    isInstrumentationEnabled(instrumentation: StatsbeatInstrumentation): boolean;
    /**
     * Initialize the statsbeat features environment variable with default values if not set
     */
    initialize(): void;
}