import { ConfigService } from './ConfigService';
declare class EnvironmentVariablesService extends ConfigService {
    protected serviceNameVariable: string;
    private xRayTraceIdVariable;
    get(name: string): string;
    getServiceName(): string;
    getXrayTraceId(): string | undefined;
    getXrayTraceSampled(): boolean;
    isValueTrue(value: string): boolean;
    private getXrayTraceData;
}
export { EnvironmentVariablesService };
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