Es gibt viele Situationen, in denen Sie einem Client, der Ihre API benutzt, einen Fehler zurückgeben müssen.

Dieser Client könnte ein Browser mit einem Frontend, Code von jemand anderem, ein <abbr title="Internet of Things – Internet der Dinge: Geräte, die über das Internet Informationen austauschen">IoT</abbr>-Gerät, usw., sein.

Sie müssten beispielsweise einem Client sagen:

* Dass er nicht die notwendigen Berechtigungen hat, eine Aktion auszuführen.

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.cli.Invoker;
import org.apache.maven.api.cli.InvokerException;

/**
 * Defines the contract for a component responsible for invoking Maven using information provided in an invoker request.
 * This interface extends the general {@link Invoker} interface, specializing it for Maven-specific operations.
 *

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.cli.Parser;
import org.apache.maven.api.cli.ParserException;
import org.apache.maven.api.cli.ParserRequest;

/**
 * Defines the contract for parsing Maven-specific command-line arguments and creating a MavenInvokerRequest.
 * This interface extends the general {@link Parser} interface, specializing it for Maven operations.
 *

     * another goal of the same plugin.
     * @return the goal
     */
    @Nonnull
    String goal() default "";

    /**
     * Lifecycle id of the lifecycle that defines {@link #phase()}. Only valid in combination with {@link #phase()}. If
     * not specified, Maven will use the lifecycle of the current build.
     *

                .optionalArg(true)
                .desc("Defines the color mode of the output. Supported are 'auto', 'always', 'never'.")
                .build());
        options.addOption(Option.builder(CACHE_ARTIFACT_NOT_FOUND)
                .longOpt("cache-artifact-not-found")
                .hasArg()
                .desc(

          protected char @Nullable [] escape(int cp) {
            return ('a' <= cp && cp <= 'z') ? new char[] {Character.toUpperCase((char) cp)} : null;
          }
          // Inefficient implementation that defines all letters as escapable.
          @Override
          protected int nextEscapeIndex(CharSequence csq, int index, int end) {
            while (index < end && !Character.isLetter(csq.charAt(index))) {
              index++;

          protected char @Nullable [] escape(int cp) {
            return ('a' <= cp && cp <= 'z') ? new char[] {Character.toUpperCase((char) cp)} : null;
          }
          // Inefficient implementation that defines all letters as escapable.
          @Override
          protected int nextEscapeIndex(CharSequence csq, int index, int end) {
            while (index < end && !Character.isLetter(csq.charAt(index))) {
              index++;

message Overhead {
  // podFixed represents the fixed resource overhead associated with running a pod.
  // +optional
  map<string, k8s.io.apimachinery.pkg.api.resource.Quantity> podFixed = 1;
}

// RuntimeClass defines a class of container runtime supported in the cluster.
// The RuntimeClass is used to determine which container runtime is used to run
// all containers in a pod. RuntimeClasses are manually defined by a

import java.util.Map;
import java.util.Optional;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.cli.Options;

/**
 * Defines the options specific to the Maven encryption tool.
 * This interface extends the general {@link Options} interface, adding encryption-specific configuration options.
 *
 * @since 4.0.0
 */
@Experimental

import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";

// Package-wide variables from generator "generated".
option go_package = "k8s.io/api/coordination/v1";

// Lease defines a lease concept.
message Lease {
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;