Generate internalized planning IR

[rchowell]

Relevant Issues

N/A

Description

Generates internalized planning IR. This simply replaces all public modifiers in the generated source with internal visibility modifiers. The only thing is that you cannot mark interface methods as internal (only the class) hence the skipping of override/fun visit.

Other Information

• Updated Unreleased Section in CHANGELOG: [YES/NO]
  No

• Any backward-incompatible changes? [YES/NO]
  No

• Any new external dependencies? [YES/NO]

  • < If YES, which ones and why? >
  • < In addition, please also mention any other alternatives you've considered and the reason they've been discarded >
    No

• Do your changes comply with the Contributing Guidelines
  and Code Style Guidelines? [YES/NO]
  Yes

License Information

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

Conformance comparison report

	Base (05c591c)	3732001	+/-
% Passing	92.54%	92.54%	0.00%
✅ Passing	5384	5384	0
❌ Failing	434	434	0
🔶 Ignored	0	0	0
Total Tests	5818	5818	0

Number passing in both: 5384

Number failing in both: 434

Number passing in Base (05c591c) but now fail: 0

Number failing in Base (05c591c) but now pass: 0

[codecov-commenter]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (dae1ab3) 72.17% compared to head (5b89f3d) 72.15%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
.../org/partiql/lang/syntax/impl/PartiQLPigVisitor.kt	90.24%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1339      +/-   ##
============================================
- Coverage     72.17%   72.15%   -0.02%     
+ Complexity     2097     2095       -2     
============================================
  Files           221      221              
  Lines         15973    15984      +11     
  Branches       2892     2896       +4     
============================================
+ Hits          11528    11534       +6     
- Misses         3639     3641       +2     
- Partials        806      809       +3     

Flag	Coverage Δ
CLI	11.86% <ø> (ø)
EXAMPLES	80.28% <ø> (ø)
LANG	80.78% <90.24%> (-0.03%)	⬇️

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