private Element getPluginExecutionConfiguration(@Nullable String groupId, @Nullable String artifactId, @NotNull String executionId) {
    MavenPlugin plugin = findPlugin(groupId, artifactId);
    if (plugin == null) return null;
    return plugin.getExecutionConfiguration(executionId);
  }
private Element getPluginExecutionConfiguration(@Nullable String groupId, @Nullable String artifactId, @NotNull String executionId)