code: function validateStatement(node, keywordName) {
              const option = getOption(keywordName);
  
              if (node.type === "BlockStatement" || option === "any") {
                  return;
              }
  
              const tokenBefore = sourceCode.getTokenBefore(node);
  
              if (tokenBefore.loc.end.line === node.loc.start.line && option === "below") {
                  context.report({
                      node,
                      message: "Expected a linebreak before this statement.",
                      fix: fixer => fixer.insertTextBefore(node, "\n")
                  });
              } else if (tokenBefore.loc.end.line !== node.loc.start.line && option === "beside") {
                  context.report({
                      node,
                      message: "Expected no linebreak before this statement.",
                      fix(fixer) {
                          if (sourceCode.getText().slice(tokenBefore.range[1], node.range[0]).trim()) {
                              return null;
                          }
                          return fixer.replaceTextRange([tokenBefore.range[1], node.range[0]], " ");
                      }
                  });
              }
          }
docs: Validates the location of a single-line statement
  @param {ASTNode} node The single-line statement
  @param {string} keywordName The applicable keyword name for the single-line statement
  @returns {void}