export const NORMAL_TRACE = 1 ; export const SLOW_TRACE = 2 ; export const TIMEOUT_TRACE = 6 ; export const ERROR_TRACE = 8 ; export const TRACER_TIMEOUT = 30 * 1000 ; export const CURRENT_SPAN = Symbol ( 'CURRENT_SPAN' ) ; export const SKIP_RATE = Symbol ( 'SKIP_RATE' ) ;