* feat: Allow `void` in `no-promise-executor-return` (#17278)

* feat: Autofix and suggestions for `no-promise-executor-return`

* fix: update behavior for `no-promise-executor-return`

* fix: update suggestion behavior

* docs: update to match code

* docs: misc fixes

* fix: refactors

* fix: parentheses issues

* Update docs/src/rules/no-promise-executor-return.md

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* Update docs/src/rules/no-promise-executor-return.md

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* Update lib/rules/no-promise-executor-return.js

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

* fix: adjacent token issue

* fix comments

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Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

…17475)

* feat: rule-tester do not create empty valid or invalid test suites

* chore: fix grammatical errors in test case descriptions

* fix: pass an invalid test case when checking for missing valid test cases

* chore: make test cases more consistent

* chore: actually make tests consistent

* docs: advice for dev while disabling rules

* docs: advice for dev while disabling rules

* docs: advice for dev while disabling rules

* Update docs/src/use/configure/rules.md

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Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* chore: Refactor and document CodePathSegment

* Update lib/linter/code-path-analysis/code-path-segment.js

Co-authored-by: Francesco Trotta <github@fasttime.org>

* Remove unneeded array

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Co-authored-by: Francesco Trotta <github@fasttime.org>

* feat: correct update direction in `for-direction`

* Improve documentation

* Update rule overview

Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* Improve formatting

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Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* RuleTester: Allow new-style rule definitions

* RuleTester: Add check for legacy rule API usage warning for defineRule()

* RuleTester: Move typedef import to correct location

* FlatRuleTester: Allow new-style rule definitions

* FlatRuleTester: Fix copypaste bug

* docs: add `fetch` script to package.json conventions

* docs: revert formatting changes

* docs: apply suggestions from code review

Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* docs: update docs/src/contribute/package-json-conventions.md

* docs: add "fetch" script

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Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>

* no-param-reassign strict mode mention

* Update docs/src/rules/no-param-reassign.md

Fixes #17484 

Co-authored-by: Nitin Kumar <snitin315@gmail.com>

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Co-authored-by: Nicholas C. Zakas <nicholas@humanwhocodes.com>
Co-authored-by: Nitin Kumar <snitin315@gmail.com>