base.json.LexStringEscapes

read #(downstream: mut base.flows._ActorSink[imm base.json.Token], ctx: mut base.json._LexerCtx, e: imm base.Str): imm base.flows.ActorRes -> …,
read #(downstream: mut base.flows._ActorSink[imm base.json.Token], ctx: mut base.json._LexerCtx, e: imm base.Str): imm base.flows.ActorRes -> …,