Set dependencies = []
                Set dependencyConstraints = []
                Set artifacts = []
                Set capabilities = []
                Set globalExcludes = []
                AttributeContainer attributes = ImmutableAttributes.EMPTY
            }

            class TestVariant implements SoftwareComponentInternal {
                String name
                Set usages = []
            }

                Set dependencies = []
                Set dependencyConstraints = []
                Set artifacts = []
                Set capabilities = []
                Set globalExcludes = []
                AttributeContainer attributes = ImmutableAttributes.EMPTY
            }

            class TestVariant implements SoftwareComponentInternal {
                String name
                Set usages = []
            }

import com.google.common.collect.SetMultimap;
import org.gradle.api.artifacts.component.ModuleComponentIdentifier;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.api.attributes.AttributeContainer;
import org.gradle.api.capabilities.Capability;
import org.gradle.api.internal.artifacts.DefaultModuleIdentifier;
import org.gradle.api.internal.artifacts.ImmutableModuleIdentifierFactory;

import org.gradle.api.artifacts.result.ResolutionResult;
import org.gradle.api.artifacts.result.ResolvedComponentResult;
import org.gradle.api.attributes.Attribute;
import org.gradle.api.attributes.AttributeContainer;
import org.gradle.api.capabilities.Capability;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.CompositeDomainObjectSet;
import org.gradle.api.internal.DefaultDomainObjectSet;

    String name
    Usage usage
    Set dependencies = []
    Set dependencyConstraints = []
    Set artifacts = []
    Set capabilities = []
    Set globalExcludes = []
    AttributeContainer attributes = org.gradle.api.internal.attributes.ImmutableAttributes.EMPTY
}

class TestVariant implements org.gradle.api.internal.component.SoftwareComponentInternal {
    String name
    Set usages = []
}

        where:
        type                           | factory
        // For ResolvedArtifactResult
        "Attribute"                    | "Attribute.of(System.getProperty('n'), String)"
        "AttributeContainer"           | "services.get(ImmutableAttributesFactory).of(Attribute.of('some', String.class), System.getProperty('n'))"
        "Capability"                   | "new DefaultImmutableCapability('group', System.getProperty('n'), '1.0')"

    String name
    Usage usage
    Set dependencies = []
    Set dependencyConstraints = []
    Set artifacts = []
    Set capabilities = []
    Set globalExcludes = []
    AttributeContainer attributes = org.gradle.api.internal.attributes.ImmutableAttributes.EMPTY
}

class TestVariant implements org.gradle.api.internal.component.SoftwareComponentInternal {
    String name
    Set usages = []
}

                    DocsType docsType = objectFactory.named(DocsType, variant)
                    ctx.details.addVariant(variant) { VariantMetadata vm ->
                        vm.attributes{ AttributeContainer ac ->
                            ac.attribute(org.gradle.api.attributes.Category.CATEGORY_ATTRIBUTE, category)
                            ac.attribute(DocsType.DOCS_TYPE_ATTRIBUTE, docsType)
                        }

=====
[.multi-language-sample]
======
.build.gradle.kts
[source,kotlin]
----
fun <T> copyAttribute(attribute: Attribute<T>, from: AttributeContainer, to: AttributeContainer) =
    to.attributeProvider<T>(attribute, provider { from.getAttribute(attribute)!! })

val source = configurations["runtimeClasspath"].attributes
configurations {