interface Transformer {
        /**
         * Interpolate the value read from the xml document
         *
         * @param source    The source value
         * @param fieldName A description of the field being interpolated. The implementation may use this to
         *                  log stuff.
         * @return the interpolated value
         */
        String transform(String source, String fieldName);
    }

  <description>
    Test that POM interpolation uses the property values from the dominant profile source (POM vs. settings.xml).
    This boils down to the proper order of profile injection and interpolation, i.e.
    interpolate after profiles from all sources are injected.
  </description>

  <properties>
    <!-- collect the effective property values as derived by interpolation -->

            }
        } finally {
            getInterpolator().clearAnswers();
        }
    }

    protected Interpolator createInterpolator() {
        StringSearchInterpolator interpolator = new StringSearchInterpolator();
        interpolator.setCacheAnswers(true);

        return interpolator;
    }

    private static final class InterpolateObjectAction implements PrivilegedAction<ModelInterpolationException> {

  <description>
    Test that build properties defined via active profiles are used for
    interpolation.
  </description>

  <!--
    These are some POM elements we would like to interpolate with
    properties from the profile.
  -->
  <url>https://maven.apache.org/${test}
  </url>
  <properties>
    <test>FAILED</test>
    <property>${test}</property>
  </properties>

  <profiles>

      <releases>
        <!-- That's the boolean POM field we would like to interpolate -->
        <enabled>${releasesEnabled}</enabled>
      </releases>
    </repository>
  </repositories>

  <build>
    <resources>
      <resource>
        <directory>src/main/resources</directory>
        <!-- That's the boolean POM field we would like to interpolate -->
        <filtering>${filter.resources}</filtering>
      </resource>

RegexBasedInterpolat { private java.util.List valueSources; public void RegexBasedInterpolat(); public void RegexBasedInterpolat(java.util.List); public void addValueSource(ValueSource); public void removeValuesSource(ValueSource); public String interpolate(String, String); } org/codehaus/plexus/util/interpolation/ValueSource.class package org.codehaus.plexus.util.interpolation; public abstract interface ValueSource { public abstract Object getValue(String); } org/codehaus/plexus/util/InterpolationFilterR.class...

RegexBasedInterpolat { private java.util.List valueSources; public void RegexBasedInterpolat(); public void RegexBasedInterpolat(java.util.List); public void addValueSource(ValueSource); public void removeValuesSource(ValueSource); public String interpolate(String, String); } org/codehaus/plexus/util/interpolation/ValueSource.class package org.codehaus.plexus.util.interpolation; public abstract interface ValueSource { public abstract Object getValue(String); } org/codehaus/plexus/util/InterpolationFilterR.class...

RegexBasedInterpolat { private java.util.List valueSources; public void RegexBasedInterpolat(); public void RegexBasedInterpolat(java.util.List); public void addValueSource(ValueSource); public void removeValuesSource(ValueSource); public String interpolate(String, String); } org/codehaus/plexus/util/interpolation/ValueSource.class package org.codehaus.plexus.util.interpolation; public abstract interface ValueSource { public abstract Object getValue(String); } org/codehaus/plexus/util/InterpolationFilterR.class...

RegexBasedInterpolat { private java.util.List valueSources; public void RegexBasedInterpolat(); public void RegexBasedInterpolat(java.util.List); public void addValueSource(ValueSource); public void removeValuesSource(ValueSource); public String interpolate(String, String); } org/codehaus/plexus/util/interpolation/ValueSource.class package org.codehaus.plexus.util.interpolation; public abstract interface ValueSource { public abstract Object getValue(String); } org/codehaus/plexus/util/InterpolationFilterR.class...

RegexBasedInterpolat { private java.util.List valueSources; public void RegexBasedInterpolat(); public void RegexBasedInterpolat(java.util.List); public void addValueSource(ValueSource); public void removeValuesSource(ValueSource); public String interpolate(String, String); } org/codehaus/plexus/util/interpolation/ValueSource.class package org.codehaus.plexus.util.interpolation; public abstract interface ValueSource { public abstract Object getValue(String); } org/codehaus/plexus/util/InterpolationFilterR.class...