## Using the `jsonable_encoder`

Let's imagine that you have a database `fake_db` that only receives JSON compatible data.

For example, it doesn't receive `datetime` objects, as those are not compatible with JSON.

So, a `datetime` object would have to be converted to a `str` containing the data in <a href="https://en.wikipedia.org/wiki/ISO_8601" class="external-link" target="_blank">ISO format</a>.

/**
 * Provides access to the contents of a source independently of the
 * backing store (e.g. file system, database, memory).
 * <p>
 * This is mainly used to parse files into objects such as
 * {@link org.apache.maven.api.Project},
 * {@link org.apache.maven.api.model.Model},
 * {@link org.apache.maven.api.settings.Settings}, or
 * {@link org.apache.maven.api.toolchain.PersistedToolchains}.
 *

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"time"
)

type rebalPoolProgress struct {
	NumObjects  uint64        `json:"objects"`
	NumVersions uint64        `json:"versions"`
	Bytes       uint64        `json:"bytes"`
	Bucket      string        `json:"bucket"`
	Object      string        `json:"object"`
	Elapsed     time.Duration `json:"elapsed"`

acceptable behavior and will take appropriate and fair corrective action in
response to any behavior that they deem inappropriate, threatening, offensive,
or harmful.

Community leaders have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions that are
not aligned to this Code of Conduct, and will communicate reasons for moderation
decisions when appropriate.

## Scope

 * under the License.
 */
package org.apache.maven.internal.transformation.impl;

import org.apache.maven.artifact.handler.ArtifactHandler;

import static java.util.Objects.requireNonNull;

class TransformedArtifactHandler implements ArtifactHandler {

    private final String classifier;

    private final String extension;

    private final String packaging;

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.escape;

import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * @author Jesse Wilson
 */
@GwtCompatible(emulated = true)

import static com.google.common.base.Throwables.throwIfUnchecked;
import static com.google.common.truth.Truth.assertThat;

import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import java.io.Closeable;
import java.io.IOException;
import java.util.List;

   * set a value to {@code null} will result in a {@link NullPointerException}.
   *
   * <p>There are at most two distinct objects in this list, {@code (Boolean) true} and {@code
   * (Boolean) false}. Java guarantees that those are always represented by the same objects.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list
   * @return a list view of the array

   * set a value to {@code null} will result in a {@link NullPointerException}.
   *
   * <p>There are at most two distinct objects in this list, {@code (Boolean) true} and {@code
   * (Boolean) false}. Java guarantees that those are always represented by the same objects.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list
   * @return a list view of the array

import org.apache.maven.api.cli.mvnenc.EncryptInvokerRequest;
import org.apache.maven.api.cli.mvnenc.EncryptOptions;
import org.apache.maven.cling.invoker.BaseInvokerRequest;

import static java.util.Objects.requireNonNull;

public class DefaultEncryptInvokerRequest extends BaseInvokerRequest<EncryptOptions> implements EncryptInvokerRequest {
    private final EncryptOptions options;

    @SuppressWarnings("ParameterNumber")