syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // `--remap-path-prefix` to all `SourceFile`s allocated within this `SourceMap`.
context_before:     // This is used to apply the file path remapping as specified via
context_after:     path_mapping: FilePathMapping,