Um exemplo pode ser que você possua um provedor de autenticação externo que você precisa chamar.

Você envia ao serviço um *token* e ele retorna um usuário autenticado.

Este provedor pode cobrar por requisição, e chamá-lo pode levar mais tempo do que se você tivesse um usuário fixo para os testes.

Você provavelmente quer testar o provedor externo uma vez, mas não necessariamente chamá-lo em todos os testes que executarem.

package tar

import (
	"errors"
	"fmt"
	"io"
	"io/fs"
	"maps"
	"path"
	"slices"
	"strings"
	"time"
)

// Writer provides sequential writing of a tar archive.
// [Writer.WriteHeader] begins a new file with the provided [Header],
// and then Writer can be treated as an io.Writer to supply that file's data.
type Writer struct {
	w    io.Writer

        ] = None,
        description: Annotated[
            Optional[str],
            Doc(
                """
                A description for the *path operation*.

                If not provided, it will be extracted automatically from the docstring
                of the *path operation function*.

                It can contain Markdown.

                byBuildPath(CommonBuilds.BUILD_PATH_RUNTIME)));
        result.add(internalScopeManager.createDependencyScope(
                DependencyScope.PROVIDED.id(),
                DependencyScope.PROVIDED.isTransitive(),
                union(
                        byBuildPath(CommonBuilds.BUILD_PATH_COMPILE),

//
// Returns:
// - A pointer to a PreparedStmtDB instance, which manages prepared statements using the provided connection pool and configuration.
func NewPreparedStmtDB(connPool ConnPool, maxSize int, ttl time.Duration) *PreparedStmtDB {
	return &PreparedStmtDB{
		ConnPool: connPool,                     // Assigns the provided connection pool to manage database connections.

	Speedtest bool // object call specifically meant for SpeedTest code, set to 'true' when invoked by SpeedtestHandler.

	// Use the maximum parity (N/2), used when saving server configuration files
	MaxParity bool

	// Provides a per object encryption function, allowing metadata encryption.
	EncryptFn objectMetaEncryptFn

	// SkipDecommissioned set to 'true' if the call requires skipping the pool being decommissioned.

 in a hierarchical structure where the resources in the parent realms are
 available but the <<realm is searched first before a search is made in
 the parent realm>>.

 Plugins are guaranteed to be provided the resources found in
 <<<plexus.core>>> and <<<plexus.core.maven>>> realms at run-time if required.
 Plugins can state compile-time dependencies on any of the resources found in

 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * Provides feature flag management and configuration capabilities for Maven core functionality.
 *
 * @since 4.0.0
 */

plugins {
    `kotlin-dsl`
}

description = "Provides plugins for configuring miscellaneous things (repositories, reproducibility, minify)"

group = "gradlebuild"

dependencies {
    api("gradlebuild:build-environment")
    api(platform(projects.buildPlatform))

    implementation("com.google.guava:guava") {
        because("Used by class analysis")
    }
    implementation("org.ow2.asm:asm") {
        because("Used by class analysis")

import org.gradle.kotlin.dsl.support.expectedKotlinDslPluginsVersion

plugins {
    `kotlin-dsl`
}

group = "gradlebuild"

description = "Provides plugins used to create a Gradle plugin with Groovy or Kotlin DSL within build-logic builds"

dependencies {
    compileOnly("com.gradle:develocity-gradle-plugin")

    api(platform(projects.buildPlatform))

    implementation(projects.basics)
    implementation(projects.moduleIdentity)