plugins {
    `java-library`
}

// tag::declare-configuration[]
// declare a "configuration" named "someConfiguration"
val someConfiguration by configurations.creating

dependencies {
    // add a project dependency to the "someConfiguration" configuration
    someConfiguration(project(":lib"))
}
// end::declare-configuration[]

// tag::concrete-classpath[]
configurations {

plugins {
    id 'java-library'
}

// tag::declare-configuration[]
configurations {
    // declare a "configuration" named "someConfiguration"
    someConfiguration
}
dependencies {
    // add a project dependency to the "someConfiguration" configuration
    someConfiguration project(":lib")
}
// end::declare-configuration[]

// tag::concrete-classpath[]
configurations {

        when:
        String someGroup = "someGroup"
        String someName = "someName"
        String someVersion = "someVersion"
        String someConfiguration = "someConfiguration"
        DefaultResolvedDependency resolvedDependency = new DefaultResolvedDependency(someConfiguration, newId(someGroup, someName, someVersion), buildOperationProcessor)

        then:
        resolvedDependency.name == someGroup + ":" + someName + ":" + someVersion

    def "reports verification errors"() {
        given:
        renderer.startNewSection(":someConfiguration")
        renderer.startNewArtifact(artifact()) {
            renderer.reportFailure(failure)
        }

        when:
        generateReport()

        def errors = errorsFor(":someConfiguration")
        then:

        verifyAll(errors[0]) {
            module == 'org:foo:1.0'

			expectErr: `apiserver.config.k8s.io/v99`,
		},
		{
			name:      "unknown kind",
			data:      []byte(`{"apiVersion":"apiserver.config.k8s.io/v1alpha1","kind":"SomeConfiguration"}`),
			expectErr: `SomeConfiguration`,
		},
		{
			name: "unknown field",
			data: []byte(`{
"apiVersion":"apiserver.config.k8s.io/v1alpha1",
"kind":"AuthorizationConfiguration",
"authorzers":[{"type":"Webhook"}]}`),

			expectErr: `apiserver.config.k8s.io/v99`,
		},
		{
			name: "unknown kind",
			file: func() string {
				return writeTempFile(t, `{"apiVersion":"apiserver.config.k8s.io/v1alpha1","kind":"SomeConfiguration"}`)
			},
			expectErr: `SomeConfiguration`,
		},
		{
			name: "unknown field",
			file: func() string {
				return writeTempFile(t, `{
							"apiVersion":"apiserver.config.k8s.io/v1alpha1",

include::sample[dir="snippets/dependencyManagement/attributeMatching/groovy",files="build.gradle[tags=concrete-classpath]"]
====

At this point, we have 3 different configurations with different roles:

- `someConfiguration` declares the dependencies of my application. It is simply a collection of dependencies.