static Map<String, ComponentSpecification> componentsByName(Set<ComponentSpecification> componentSpecifications) {
        Map<String, ComponentSpecification> componentsByName = new LinkedHashMap<>();

        for (ComponentSpecification component : componentSpecifications)
            componentsByName.put(component.getName(), component);

        return componentsByName;
    }
@param allChainSpecifications resolves ChainSpecifications from ComponentSpecifications
                              as given in the inheritance fields.
@param path tracks which chains are used in each recursive invocation of flatten, used for detecting cycles.
@return ChainSpecification directly containing all the component references and phases of the inherited chains.
container-core/src/main/java/com/yahoo/component/chain/model/ChainSpecification.java