### 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 = "weibull")
              Value Std. Error     z       p
(Intercept)  8.4480     0.2532 33.36 < 2e-16
trt          0.0495     0.1566  0.32    0.75
bili        -0.1389     0.0330 -4.20 2.6e-05
trt:bili     0.0223     0.0185  1.21    0.23
Log(scale)  -0.3438     0.0751 -4.58 4.7e-06

Scale= 0.709 

Weibull distribution
Loglik(model)= -1165   Loglik(intercept only)= -1203.8
	Chisq= 77.45 on 3 degrees of freedom, p= 1.1e-16 
Number of Newton-Raphson Iterations: 7 
n= 276 

### Mediation analysis 
               est           se           Z         p        lower        upper
cde    0.096982138   0.17133260  0.56604602 0.5713625   -0.2388236   0.43278787
pnde   0.083616979   0.17665009  0.47334807 0.6359649   -0.2626108   0.42984479
tnie  -0.078024875   0.05948508 -1.31167129 0.1896311   -0.1946135   0.03856374
tnde   0.107541728   0.16753661  0.64189986 0.5209382   -0.2208240   0.43590746
pnie  -0.101949624   0.07698870 -1.32421538 0.1854315   -0.2528447   0.04894546
te     0.005592104   0.18277638  0.03059533 0.9755923   -0.3526430   0.36382723
pm   -14.552064052 477.47563994 -0.03047708 0.9756866 -950.3871218 921.28299373
      exp(est) exp(lower) exp(upper)
cde  1.1018407  0.7875538   1.541549
pnde 1.0872124  0.7690411   1.537019
tnie 0.9249414  0.8231527   1.039317
tnde 1.1135373  0.8018578   1.546366
pnie 0.9030750  0.7765885   1.050163
te   1.0056078  0.7028280   1.438826
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.