///

```Python hl_lines="8  13"
{!> ../../docs_src/dependencies/tutorial006.py!}
```

////

### Return values

And they can return values or not, the values won't be used.

So, you can reuse a normal dependency (that returns a value) you already use somewhere else, and even though the value won't be used, the dependency will be executed:

//// tab | Python 3.9+

```Python hl_lines="11  16"

cert-secret-volume secret: secretName: {{ .Values.tls.certSecret }} items: - key: {{ .Values.tls.publicCrt }} path: public.crt - key: {{ .Values.tls.privateKey }} path: private.key {{- end }} {{- if or .Values.tls.enabled (ne .Values.trustedCertsSecret "") }} {{- $certSecret := eq .Values.trustedCertsSecret "" | ternary .Values.tls.certSecret .Values.trustedCertsSecret }} {{- $publicCrt := eq .Values.trustedCertsSecret "" | ternary .Values.tls.publicCrt "" }} - name: trusted-cert-secret-volume secret: secretName:...

  TF_DeleteTensor(t);
  TF_DeleteStatus(status);
  return th;
}

// Return a scalar tensor handle with given values.
template <class T, TF_DataType datatype>
TFE_TensorHandle* TestScalarTensorHandle(TFE_Context* ctx, const T value) {
  T data[] = {value};
  return TestTensorHandleWithDims<T, datatype>(ctx, data, nullptr, 0);
}

// Return a tensor handle containing a 100x100 matrix of floats

  /**
   * Verifies that {@code rowKey}, {@code columnKey} and {@code value} are non-null, and returns a
   * new entry with those values.
   */
  static <R, C, V> Cell<R, C, V> cellOf(R rowKey, C columnKey, V value) {
    return immutableCell(
        checkNotNull(rowKey, "rowKey"),
        checkNotNull(columnKey, "columnKey"),
        checkNotNull(value, "value"));
  }

  /**

  }

  public void testValues() {
    Map<String, Integer> map = create();
    Collection<Integer> values = map.values();
    assertTrue(values instanceof SynchronizedCollection);
    assertSame(mutex, ((SynchronizedCollection<?>) values).mutex);
  }

  public void testEntrySet() {
    Map<String, Integer> map = create();
    Set<Entry<String, Integer>> entrySet = map.entrySet();

    for (StandardSystemProperty property : StandardSystemProperty.values()) {
      assertEquals(property.key() + "=" + property.value(), property.toString());
    }
  }

  public void testNoNullValues() {
    for (StandardSystemProperty property : StandardSystemProperty.values()) {
      // Even though the contract in System.getProperties() specifies that a value will exist for

				for _, v := range condt { // Pre-check all values for type.
					if !isString(v) {
						// All values must be of type string.
						return parsedPolicy, fmt.Errorf("Unknown type %s of conditional field value %s found in POST policy form", reflect.TypeOf(condt).String(), condt)
					}
				}
				operator, matchType, value := toLowerString(condt[0]), toLowerString(condt[1]), toString(condt[2])

cert-secret-volume secret: secretName: {{ .Values.tls.certSecret }} items: - key: {{ .Values.tls.publicCrt }} path: public.crt - key: {{ .Values.tls.privateKey }} path: private.key {{- end }} {{- if or .Values.tls.enabled (ne .Values.trustedCertsSecret "") }} {{- $certSecret := eq .Values.trustedCertsSecret "" | ternary .Values.tls.certSecret .Values.trustedCertsSecret }} {{- $publicCrt := eq .Values.trustedCertsSecret "" | ternary .Values.tls.publicCrt "" }} - name: trusted-cert-secret-volume secret: secretName:...

cert-secret-volume secret: secretName: {{ .Values.tls.certSecret }} items: - key: {{ .Values.tls.publicCrt }} path: public.crt - key: {{ .Values.tls.privateKey }} path: private.key {{- end }} {{- if or .Values.tls.enabled (ne .Values.trustedCertsSecret "") }} {{- $certSecret := eq .Values.trustedCertsSecret "" | ternary .Values.tls.certSecret .Values.trustedCertsSecret }} {{- $publicCrt := eq .Values.trustedCertsSecret "" | ternary .Values.tls.publicCrt "" }} - name: trusted-cert-secret-volume secret: secretName:...

 *
 * @since 4.0.0
 */
@Experimental
public interface Interpolator extends Service {

    /**
     * Interpolates the values in the given map using the provided callback function.
     * This method defaults to setting empty strings for unresolved placeholders.
     *
     * @param properties The map containing key-value pairs to be interpolated.