warning(146): SageLexer.g4:32:0: non-fragment lexer rule GuideIdentifier can match the empty string

warning(125): SageParser.g4:25:6: implicit definition of token HtmlOpen in parser

warning(125): SageParser.g4:27:6: implicit definition of token HtmlScriptClose in parser

Possible null reference argument for parameter 'content' in 'Placeholder.Placeholder(string content, Dictionary<string, Block>? blocks, Dictionary<string, Slot>? slots)'.

Possible null reference return.

warning(146): SageLexer.g4:32:0: non-fragment lexer rule GuideIdentifier can match the empty string

warning(125): SageParser.g4:25:6: implicit definition of token HtmlOpen in parser

warning(125): SageParser.g4:27:6: implicit definition of token HtmlScriptClose in parser

Possible null reference argument for parameter 'content' in 'Placeholder.Placeholder(string content, Dictionary<string, Block>? blocks, Dictionary<string, Slot>? slots)'.