Javadoc.

Inline single use variables.

Add missing serialVersionUID.

Add missing Javadoc tag.

Fix generics compiler warnings.

Fix Javadoc running on Java 1.8.0_322 on macOS.

For some reason, this did not break GitHub builds. There are still
plenty of Javadoc warnings though.

Bump spotbugs-maven-plugin from 4.6.0.0 to 4.7.0.0

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.6.0.0 to 4.7.0.0.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](https://github.com/spotbugs/spotbugs-maven-plugin/compare/spotbugs-maven-plugin-4.6.0.0...spotbugs-maven-plugin-4.7.0.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
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CONFIGURATION-753: making collection interpolation behavior consistent between ConfigurationInterpolator and DefaultConversionHandler; adding ConfigurationInterpolator.setStringConversion() method to allow configuration of string conversion behavior

Merge entries for Spring.

Bump com.fasterxml.jackson.core:jackson-databind from 2.10.3 to 2.12.4,

Bump Spring dependency versions:

- org.springframework:spring-beans 5.3.19 -> 5.3.20
- org.springframework:spring-context 5.3.19 -> 5.3.20
- org.springframework:spring-core 5.3.19 -> 5.3.20
- org.springframework:spring-test 5.3.19 -> 5.3.20

Bump commons.javadoc.version from 3.3.0 to 3.4.0

Bump commons.japicmp.version from 0.15.3 to 0.15.7

Use String#isEmpty().

Simplify.

Make private class static.

Maker some test classes static.

Fix compiler generics warnings

Remove unused exception from method signature.

Use try-with-resources.

Reuse Commons IO in unit tests.

Remove unnecessary @SuppressWarnings("unchecked") and in-line single-use
local variable.

Remove unused exception from method signature.

Bump commons.jacoco.version 0.8.7 to 0.8.8

bump codeql-action from v1 to v2

bump spring versions from 5.3.18 to 5.3.19

bump commons-parent from 52 to 53

Simplify conditions and avoid extra checks.

Bump actions/cache from 3 to 3.0.2

Group some updates.

Bump actions/setup-java from 2 to 3

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 2 to 3.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-type: direct:production
  update-type: version-update:semver-major
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Bump slf4j.version from 1.7.33 to 1.7.36 #166

Bump slf4j.version from 1.7.33 to 1.7.36 #166

Bump slf4j.version from 1.7.33 to 1.7.36 (#166)

Bumps `slf4j.version` from 1.7.33 to 1.7.36.

Updates `slf4j-api` from 1.7.33 to 1.7.36
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.33...v_1.7.36)

Updates `slf4j-ext` from 1.7.33 to 1.7.36
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.33...v_1.7.36)

Updates `slf4j-log4j12` from 1.7.33 to 1.7.36
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.33...v_1.7.36)

Updates `slf4j-nop` from 1.7.33 to 1.7.36
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.33...v_1.7.36)

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-ext
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-log4j12
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-nop
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bump mailapi from 1.6.6 to 1.6.7.

Bump jackson-databind from 2.13.2 to 2.13.2.2 #173

Bump jackson-databind from 2.13.2 to 2.13.2.2 (#173)

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.13.2 to 2.13.2.2.
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Bump spring.version from 5.3.16 to 5.3.18 #172

Bump spring.version from 5.3.16 to 5.3.18 (#172)

Bumps `spring.version` from 5.3.16 to 5.3.18.

Updates `spring-core` from 5.3.16 to 5.3.18
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.16...v5.3.18)

Updates `spring-beans` from 5.3.16 to 5.3.18
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.16...v5.3.18)

Updates `spring-context` from 5.3.16 to 5.3.18
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.16...v5.3.18)

Updates `spring-test` from 5.3.16 to 5.3.18
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.16...v5.3.18)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-beans
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-context
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bump com.puppycrawl.tools:checkstyle from 9.2.1 to 9.3

Bump spotbugs-maven-plugin from 4.2.3 to 4.6.0.0

TODO without breaking BC?
- EI_EXPOSE_REP
- EI_EXPOSE_REP2
- MS_EXPOSE_REP

Bump actions/cache from 2.1.7 to 3

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.7 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.7...v3)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Merge branch 'master' of https://gitbox.apache.org/repos/asf/commons-configuration

Bump jackson-databind from 2.13.1 to 2.13.2 #168

Bump jackson-databind from 2.13.1 to 2.13.2 (#168)

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.13.1 to 2.13.2.
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Bump dbunit from 2.7.2 to 2.7.3 #167

Normalize term.

Bump dbunit from 2.7.2 to 2.7.3 (#167)

Bumps dbunit from 2.7.2 to 2.7.3.

---
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- dependency-name: org.dbunit:dbunit
  dependency-type: direct:development
  update-type: version-update:semver-patch
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Drop OSSF Scorecards due to token requirement. Note that CodeQL has no
such complications, so why here?

Add Apache license header.

Try out OSSF Scorecards

Bump spring.version from 5.3.15 to 5.3.16 (#165)

Bumps `spring.version` from 5.3.15 to 5.3.16.

Updates `spring-core` from 5.3.15 to 5.3.16
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.15...v5.3.16)

Updates `spring-beans` from 5.3.15 to 5.3.16
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.15...v5.3.16)

Updates `spring-context` from 5.3.15 to 5.3.16
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.15...v5.3.16)

Updates `spring-test` from 5.3.15 to 5.3.16
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.15...v5.3.16)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-beans
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-context
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
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Bump actions/checkout from 2 to 3 #163

Bump actions/checkout from 2 to 3 (#163)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
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Replace test asserts #139

Replace test asserts by simpler but equivalent calls. #139

Replace assert by simpler but equivalent calls. (#139)

Use final #141

Make final variable. (#141)

Update tests to hamcrest v2.2 #143.

Bump jackson-databind from 2.12.4 to 2.13.1 #159

hamcrest v2.2 (#143)

Bump jackson-databind from 2.12.4 to 2.13.1 #159

Bump jackson-databind from 2.12.4 to 2.13.1 (#159)

Bumps [jackson-databind](https://github.com/FasterXML/jackson) from 2.12.4 to 2.13.1.
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
  update-type: version-update:semver-minor
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Update NOTICE file for 2022.

Add CodeQL GitHub workflow.

Bump slf4j.version from 1.7.30 to 1.7.33

Bumps `slf4j.version` from 1.7.30 to 1.7.33.

Updates `slf4j-api` from 1.7.30 to 1.7.33
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.30...v_1.7.33)

Updates `slf4j-ext` from 1.7.30 to 1.7.33
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.30...v_1.7.33)

Updates `slf4j-log4j12` from 1.7.30 to 1.7.33
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.30...v_1.7.33)

Updates `slf4j-nop` from 1.7.30 to 1.7.33
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](https://github.com/qos-ch/slf4j/compare/v_1.7.30...v_1.7.33)

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-ext
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-log4j12
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.slf4j:slf4j-nop
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bump spring.version from 5.3.9 to 5.3.15 #156.

Bump spring.version from 5.3.9 to 5.3.15 (#156)

Bumps `spring.version` from 5.3.9 to 5.3.15.

Updates `spring-core` from 5.3.9 to 5.3.15
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.9...v5.3.15)

Updates `spring-beans` from 5.3.9 to 5.3.15
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.9...v5.3.15)

Updates `spring-context` from 5.3.9 to 5.3.15
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.9...v5.3.15)

Updates `spring-test` from 5.3.9 to 5.3.15
- [Release notes](https://github.com/spring-projects/spring-framework/releases)
- [Commits](https://github.com/spring-projects/spring-framework/compare/v5.3.9...v5.3.15)

---
updated-dependencies:
- dependency-name: org.springframework:spring-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-beans
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-context
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.springframework:spring-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bump snakeyaml from 1.29 to 1.30 #157.

Bump snakeyaml from 1.29 to 1.30 (#157)

Bumps [snakeyaml](https://bitbucket.org/snakeyaml/snakeyaml) from 1.29 to 1.30.
- [Commits](https://bitbucket.org/snakeyaml/snakeyaml/branches/compare/snakeyaml-1.30..snakeyaml-1.29)

---
updated-dependencies:
- dependency-name: org.yaml:snakeyaml
  dependency-type: direct:production
  update-type: version-update:semver-minor
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Bump checkstyle from 8.45.1 to 9.2.1

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 8.45.1 to 9.2.1.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](https://github.com/checkstyle/checkstyle/compare/checkstyle-8.45.1...checkstyle-9.2.1)

---
updated-dependencies:
- dependency-name: com.puppycrawl.tools:checkstyle
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Remove obsolete profile and documentation.

Run dependabot once a week.

Drop obsolete Travis build.

Bump actions/checkout from 2.3.4 to 2.4.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2.3.4...v2.4.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
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Bump actions/cache from 2.1.6 to 2.1.7

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.6 to 2.1.7.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.6...v2.1.7)

---
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- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Update GitHub build from Java 16 to 17.

Update GitHub build from Java 17-EA to 18-EA but comment it (not there
yet).

AdoptOpenJDK is moving to the Eclipse Foundation and rebranding as
Eclipse Temurin.

Bump optional org.springframework from 4.3.30.RELEASE to 5.3.9.

Merged entries.

Bump com.puppycrawl.tools:checkstyle from 8.44 to 8.45.1.

Bump org.dbunit:dbunit from 2.7.0 to 2.7.2.

Clean up.

Add ImmutableConfiguration.getDuration() methods.

Sort test members.

Update Javadoc since tags.

Failing checkstyle fails the build.

Update checkstyle rules to be more in tune with the more modern Commons
components. Main changes: no more solo '{' and longer line lengths.

Drop extra blank lines.

Misc clean ups.

- else { if } -> else if
- new kind of Number() -> valueOf()
- String replaceAll(S,S) -> replace(CS,CS)
- Initialize collections on creation
- Use diamonds
- Create arrays with {}s.

Reclasify issues.

[CONFIGURATION-808] DefaultListDelimiterHandler.escapeList working only
for List<String> #137.

Test case and fix for https://issues.apache.org/jira/browse/CONFIGURATION-808 (#137)

Update tests from commons-pool2 2.10.0 to 2.11.1.

Update tests from commons-dbcp2 2.8.0 to 2.9.0.

Update optional com.fasterxml.jackson.core:jackson-databind from 2.12.3
to 2.12.4.

Organize.

Fix version for SpotBugs.

Bump commons.javadoc.version from 3.1.1 to 3.3.0.

Bump commons.jacoco.version from 0.8.6 to 0.8.7.

Bump commons.japicmp.version from 0.15.2 to 0.15.3.