syntax = "proto3"; package com.webank.ai.fate.core.mlmodel.buffer; option java_outer_classname = "FeatureImputationMetaProto"; message FeatureImputerMeta{ bool is_imputer = 1; string strategy = 2; repeated string missing_value = 3; repeated string missing_value_type = 4; map cols_strategy = 5; } message FeatureImputationMeta { FeatureImputerMeta imputer_meta = 1; bool need_run = 2; }