What is the method to make the Spotless Java code formatter apply the 'this' keyword on local fields and methods?

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To make the Spotless Java code formatter apply the 'this' keyword on local fields and methods, you can use the following configuration in your .spotless.yaml file:

java:
  googleJavaFormat:
    style: AOSP
    onlyIf:
      - hasUnformattedCode
  additionalFileMatchers: []

filters:
- type: replace
  pattern: "([a-zA-Z0-9_]+)\\("
  replacement: "this.$1("
  exclude:
    - "src/main/java/*.proto"

This configuration uses the Google Java Format to format the code and adds a replace filter that applies the 'this' keyword on local fields and methods. The exclude property is used to exclude any proto files that may cause issues with the regex pattern.