### Mediator model

Call:
lm(formula = bili ~ trt, data = data)

Residuals:
    Min      1Q  Median      3Q     Max 
-3.4000 -2.5000 -1.7000  0.4434 24.3000 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)  
(Intercept)   2.2132     0.8784   2.520   0.0123 *
trt           0.7434     0.5532   1.344   0.1801  
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 4.594 on 274 degrees of freedom
Multiple R-squared:  0.006548,	Adjusted R-squared:  0.002923 
F-statistic: 1.806 on 1 and 274 DF,  p-value: 0.1801

### Outcome model

Call:
survival::survreg(formula = Surv(time, status) ~ trt + bili + 
    trt:bili, data = data, dist = "exponential")
              Value Std. Error     z       p
(Intercept)  8.7034     0.3535 24.62 < 2e-16
trt          0.0528     0.2222  0.24    0.81
bili        -0.1813     0.0458 -3.96 7.6e-05
trt:bili     0.0346     0.0263  1.31    0.19

Scale fixed at 1 

Exponential distribution
Loglik(model)= -1174.1   Loglik(intercept only)= -1206.3
	Chisq= 64.39 on 3 degrees of freedom, p= 6.8e-14 
Number of Newton-Raphson Iterations: 5 
n= 276 

### Mediation analysis 
             est           se           Z         p        lower        upper
cde   0.12144469   0.24247372  0.50085714 0.6164717   -0.3537951   0.59668446
pnde  0.08179118   0.25798599  0.31703730 0.7512153   -0.4238521   0.58743442
tnie -0.09079701   0.07000181 -1.29706666 0.1946083   -0.2279980   0.04640401
tnde  0.11881218   0.24359038  0.48775397 0.6257241   -0.3586162   0.59624055
pnie -0.12781801   0.09669378 -1.32188446 0.1862066   -0.3173343   0.06169832
te   -0.00900583   0.26113730 -0.03448695 0.9724888   -0.5208255   0.50281387
pm   10.50645610 304.62327245  0.03449000 0.9724864 -586.5441868 607.55709896
      exp(est) exp(lower) exp(upper)
cde  1.1291269  0.7020188   1.816087
pnde 1.0852292  0.6545207   1.799366
tnie 0.9132031  0.7961258   1.047498
tnde 1.1261584  0.6986424   1.815281
pnie 0.8800135  0.7280873   1.063641
te   0.9910346  0.5940300   1.653367
pm          NA         NA         NA

Evaluated at:
avar: trt
 a1 (intervened value of avar) = 2.3
 a0 (reference value of avar)  = 1.1
mvar: bili
 m_cde (intervend value of mvar for cde) = 1.4
cvar: 
 c_cond (covariate vector value) = 

Note that effect estimates can vary over m_cde and c_cond values when interaction = TRUE.