AndroidStudioSettings/stringManipulation.xml

<application>
  <component name="StringManipulationState">
    <option name="customActionModels">
      <list>
        <CustomActionModel>
          <option name="id" value="StringManipulation.SwitchStyleAction" />
          <option name="name" value="Switch case" />
          <option name="steps">
            <list>
              <Step>
                <option name="enabled" value="false" />
                <option name="style" value="_UNKNOWN" />
              </Step>
              <Step>
                <option name="style" value="PASCAL_CASE" />
              </Step>
              <Step>
                <option name="style" value="CAMEL_CASE" />
              </Step>
              <Step>
                <option name="style" value="SNAKE_CASE" />
              </Step>
              <Step>
                <option name="style" value="SCREAMING_SNAKE_CASE" />
              </Step>
              <Step>
                <option name="style" value="KEBAB_LOWERCASE" />
              </Step>
              <Step>
                <option name="style" value="CAPITALIZED_SNAKE_CASE" />
              </Step>
              <Step>
                <option name="enabled" value="false" />
                <option name="style" value="_SINGLE_WORD_CAPITALIZED" />
              </Step>
              <Step>
                <option name="style" value="DOT" />
              </Step>
              <Step>
                <option name="enabled" value="false" />
                <option name="style" value="_ALL_UPPER_CASE" />
              </Step>
              <Step>
                <option name="style" value="WORD_LOWERCASE" />
              </Step>
              <Step>
                <option name="style" value="SENTENCE_CASE" />
              </Step>
              <Step>
                <option name="style" value="WORD_CAPITALIZED" />
              </Step>
              <Step>
                <option name="style" value="KEBAB_UPPERCASE" />
              </Step>
            </list>
          </option>
        </CustomActionModel>
      </list>
    </option>
    <option name="lastActionModel">
      <UniversalActionModel>
        <option name="actionClassName" value="osmedile.intellij.stringmanip.styles.switching.ToSnakeCaseOrCamelCaseAction" />
        <option name="description" value="Toggle: snake_case / camelCase" />
        <option name="textWithMnemonic" value="snake_case / camelCase" />
      </UniversalActionModel>
    </option>
  </component>
</application>