/**
     * Gets the installation Toolchains source.
     *
     * @return the installation Toolchains source or {@code null} if none
     */
    @Nonnull
    Optional<Source> getInstallationToolchainsSource();

    /**
     * Gets the user Toolchains source.
     *
     * @return the user Toolchains source or {@code null} if none
     */
    @Nonnull
    Optional<Source> getUserToolchainsSource();

    @Nonnull

################################################################################

# Install devtoolset build dependencies
COPY setup.sources.sh /setup.sources.sh
COPY setup.packages.sh /setup.packages.sh
COPY builder.packages.txt /builder.packages.txt

RUN /setup.sources.sh && /setup.packages.sh /builder.packages.txt

# Install devtoolset-9 in /dt9 with glibc 2.17 and libstdc++ 4.8, for building

        String VALIDATE = "validate";
        String SOURCES = "sources";
        String RESOURCES = "resources";
        String COMPILE = "compile";
        String READY = "ready";
        String PACKAGE = "package";
        String VERIFY = "verify";
        String UNIT_TEST = "unit-test";
        String TEST_SOURCES = "test-sources";
        String TEST_RESOURCES = "test-resources";
        String TEST_COMPILE = "test-compile";

        }
        return getModelId() + " " + getLocation();
    }

    public static InputSource merge(InputSource src1, InputSource src2) {
        return new InputSource(Stream.concat(src1.sources(), src2.sources()).collect(Collectors.toSet()));
    }

     * Builds the effective settings of the specified settings sources.
     *
     * @return the result of the settings building, never {@code null}
     * @throws SettingsBuilderException if the effective settings could not be built
     */
    @Nonnull
    default SettingsBuilderResult build(
            @Nonnull Session session, @Nonnull Source installationSettingsSource, @Nonnull Source userSettingsSource) {

    val source2 = relay.newSource()!!.buffer()
    assertThat(source1.readUtf8(5)).isEqualTo("abcde")
    assertThat(source2.readUtf8(5)).isEqualTo("abcde")
    assertThat(source2.readUtf8(5)).isEqualTo("fghij")
    assertThat(source1.readUtf8(5)).isEqualTo("fghij")
    assertThat(source1.exhausted()).isTrue()
    assertThat(source2.exhausted()).isTrue()
    source1.close()
    source2.close()
    assertThat(relay.isClosed).isTrue()

            <id>modello-plugin</id>
            <goals>
              <goal>velocity</goal>
              <goal>xdoc</goal>
              <goal>xsd</goal>
            </goals>
            <phase>generate-sources</phase>
            <configuration>
              <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
              <version>2.0.0</version>
              <models>

# /---------------------------------------------------------------------------
# sourceCopyright: (NotRequired - Default '')
#
# The copyright for all class sources.
# This property is NOT map style.
# You should specify before your first generating.
#
#/*
# * Copyright(c) DBFlute TestCo.,TestLtd. All Rights Reserved.
# */

                        <id>compile</id>
                        <phase>process-sources</phase>
                        <goals>
                            <goal>compile</goal>
                        </goals>
                    </execution>
                    <execution>
                        <id>test-compile</id>
                        <phase>process-test-sources</phase>
                        <goals>

    /** Returns the unbuffered stream with the value for [index]. */
    fun getSource(index: Int): Source = sources[index]

    /** Returns the byte length of the value for [index]. */
    fun getLength(index: Int): Long = lengths[index]

    override fun close() {
      for (source in sources) {
        source.closeQuietly()
      }
    }
  }

  /** Edits the values for an entry. */