get(node) {
    const id = getId(node);
    const item = Lists.get(this)[id];
    if (item && item.confidence >= 1) {
      return item;
    }
    return null;
  }
Find a component in the list using its node

@param {ASTNode} node The AST node being searched.
@returns {Object} Component object, undefined if the component is not found or has confidence value of 0.