WildcardPathSegment withParentFieldPath(String parentFieldPath) {
            return new WildcardPathSegment(pathVarIndex, parentFieldPath);
        }
Returns whether the specified {@link PathMappingType} is supported by
this {@link PathSegment}.
grpc/src/main/java/com/linecorp/armeria/server/grpc/HttpJsonTranscodingPathParser.java