--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Convert the Mail object's body into a Base64 encoded email returning the modified Mail object
full_name: TMail::Mail#base64_encode!
is_singleton: false
name: base64_encode!
params: ()
visibility: public
