encoder.writeBoolean(false);
        } else {
            encoder.writeBoolean(true);
            write(encoder, value);
        }
    }

    @Nullable
    public IvyArtifactName readNullable(Decoder decoder) throws IOException {
        boolean hasArtifact = decoder.readBoolean();
        if (hasArtifact) {
            return read(decoder);
        }
        return null;
    }

        boolean endorsing = decoder.readBoolean();
        boolean force = decoder.readBoolean();
        String reason = decoder.readNullableString();
        IvyArtifactName artifact = IvyArtifactNameSerializer.INSTANCE.readNullable(decoder);
        return new GradleDependencyMetadata(selector, excludes, constraint, endorsing, reason, force, artifact);
    }

                boolean endorsing = decoder.readBoolean();
                IvyArtifactName dependencyArtifact = IvyArtifactNameSerializer.INSTANCE.readNullable(decoder);

            ModuleComponentSelector requested = getComponentSelectorSerializer().read(decoder);
            IvyArtifactName artifactName = IvyArtifactNameSerializer.INSTANCE.readNullable(decoder);
            List<ExcludeMetadata> mavenExcludes = readMavenExcludes(decoder);
            MavenScope scope = MavenScope.values()[decoder.readSmallInt()];