/// info

To use `EmailStr`, first install <a href="https://github.com/JoshData/python-email-validator" class="external-link" target="_blank">`email-validator`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install email-validator
```

or with:

```console

            String message;
            if (isMultiModule) {
                // Multi-module project: artifactId may match any declared module name
                message = String.format(
                        "Cannot attach artifact to project: groupId and version must match the project, "
                                + "and artifactId must match either the project or a declared module name.%n"

  /**
   * Converts the specified {@code String str} from this format to the specified {@code format}. A
   * "best effort" approach is taken; if {@code str} does not conform to the assumed format, then
   * the behavior of this method is undefined but we make a reasonable effort at converting anyway.
   */
  public final String to(CaseFormat format, String str) {
    checkNotNull(format);
    checkNotNull(str);

  /**
   * Converts the specified {@code String str} from this format to the specified {@code format}. A
   * "best effort" approach is taken; if {@code str} does not conform to the assumed format, then
   * the behavior of this method is undefined but we make a reasonable effort at converting anyway.
   */
  public final String to(CaseFormat format, String str) {
    checkNotNull(format);
    checkNotNull(str);

            target /= 1024;
            target /= 1024;
            target /= 1024;
            unit = "G";
        } else {
            target /= 1024;
            target /= 1024;
            target /= 1024;
            target /= 1024;
            unit = "T";
        }
        final DecimalFormat df = (DecimalFormat) NumberFormat.getNumberInstance(getUserLocale());

        <module name="MemberName">
            <property name="format" value="^[a-z_][a-zA-Z0-9_]*$"/>
        </module>
        <module name="MethodName">
            <property name="format" value="^[a-z_][a-zA-Z0-9_]*$"/>
        </module>
        <module name="PackageName">
            <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
        </module>
        <module name="ParameterName"/>

  public void testNameFormatWithPercentS_custom() {
    String format = "super-duper-thread-%s";
    ThreadFactory factory = builder.setNameFormat(format).build();
    for (int i = 0; i < 11; i++) {
      assertEquals(rootLocaleFormat(format, i), factory.newThread(monitoredRunnable).getName());
    }
  }

  public void testNameFormatWithPercentD_custom() {
    String format = "super-duper-thread-%d";

  public void testNameFormatWithPercentS_custom() {
    String format = "super-duper-thread-%s";
    ThreadFactory factory = builder.setNameFormat(format).build();
    for (int i = 0; i < 11; i++) {
      assertEquals(rootLocaleFormat(format, i), factory.newThread(monitoredRunnable).getName());
    }
  }

  public void testNameFormatWithPercentD_custom() {
    String format = "super-duper-thread-%d";

                                "type": "string",
                                "format": "date-time",
                            },
                            "end_datetime": {
                                "title": "End Datetime",
                                "type": "string",
                                "format": "date-time",
                            },
                            "repeat_at": {

		}
		return sps
	}

	makeInput := func(format Format, size string, sps ...string) (out []byte) {
		// Write the initial GNU header.
		var blk block
		gnu := blk.toGNU()
		sparse := gnu.sparse()
		copy(gnu.realSize(), size)
		sps = populateSparseMap(sparse, sps)
		if format != FormatUnknown {
			blk.setFormat(format)
		}
		out = append(out, blk[:]...)