Refactor: Preventing runtime.channel() from throwing exceptions on missing implementations

[tangcent]

No description provided.

[codecov]

Codecov Report

Merging #520 (9e222b5) into master (81b890c) will increase coverage by 0.004%.
The diff coverage is 50.000%.

Additional details and impacted files

@@               Coverage Diff               @@
##              master      #520       +/-   ##
===============================================
+ Coverage     63.104%   63.107%   +0.004%     
  Complexity      1889      1889               
===============================================
  Files            212       212               
  Lines          10188     10189        +1     
  Branches        2480      2480               
===============================================
+ Hits            6429      6430        +1     
  Misses          2439      2439               
  Partials        1320      1320               

Flag	Coverage Δ
unittests	63.107% <50.000%> (+0.004%)	⬆️

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Files	Coverage Δ
...tangcent/idea/plugin/rule/StandardJdkRuleParser.kt	63.025% <50.000%> (+0.313%)	⬆️

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