method Visitor.prototype.visitTsTypeAnnotationimport { Visitor } from "https://deno.land/x/mesozoic@v1.0.0-alpha.38/lib/swc.ts"; visitTsTypeAnnotation(a: TsTypeAnnotation | undefined): TsTypeAnnotation | undefinedParametersa: TsTypeAnnotation | undefinedReturnsTsTypeAnnotation | undefined