/**
 * Base configuration for value source definitions.
 *
 * @see org.gradle.api.provider.ProviderFactory#of(Class, Action)
 * @param <P> The value source specific parameter type.
 * @since 6.1
 */
public interface ValueSourceSpec<P extends ValueSourceParameters> {

    /**
     * The parameters for the value source.
     *
     * @see org.gradle.api.provider.ProviderFactory#of(Class, Action)
     */
    P getParameters();

    /**

        DefaultValueSourceSpec<P> valueSourceSpec = Cast.uncheckedNonnullCast(specInstantiator.newInstance(
            DefaultValueSourceSpec.class,
            parameters
        ));
        configureAction.execute(valueSourceSpec);
    }

    @Nullable

import org.gradle.api.internal.properties.GradleProperties
import org.gradle.api.provider.Provider
import org.gradle.api.provider.ValueSource
import org.gradle.api.provider.ValueSourceParameters
import org.gradle.api.provider.ValueSourceSpec
import org.gradle.internal.event.DefaultListenerManager
import org.gradle.internal.service.scopes.Scope
import org.gradle.internal.snapshot.impl.DefaultIsolatableFactory
import org.gradle.process.ExecOperations

import org.gradle.api.Action;
import org.gradle.api.provider.Provider;
import org.gradle.api.provider.ValueSource;
import org.gradle.api.provider.ValueSourceParameters;
import org.gradle.api.provider.ValueSourceSpec;
import org.gradle.internal.Try;
import org.gradle.internal.service.scopes.EventScope;
import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

import org.gradle.api.provider.Provider;
import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.provider.ValueSource;
import org.gradle.api.provider.ValueSourceParameters;
import org.gradle.api.provider.ValueSourceSpec;
import org.gradle.internal.event.ListenerManager;
import org.gradle.process.ExecOutput;
import org.gradle.process.ExecSpec;
import org.gradle.process.JavaExecSpec;

import javax.annotation.Nullable;

 * @since 6.1
 */
public interface ValueSource<T, P extends ValueSourceParameters> {

    /**
     * The object provided by {@link ValueSourceSpec#getParameters()} when creating a provider from the value source.
     *
     * <p>
     * Do not implement this method in your subclass.

     * @since 6.1
     */
    <T, P extends ValueSourceParameters>
    Provider<T> of(
        Class<? extends ValueSource<T, P>> valueSourceType,
        Action<? super ValueSourceSpec<P>> configuration
    );

    /**
     * Creates a {@link Provider} for the given {@link Credentials} type.
     *
     * <p>