package com.qianwen.core.tool.metadata.unit;

import java.io.Serializable;
import java.util.Map;
import com.qianwen.core.tool.metadata.FormatSupport;
import com.qianwen.core.tool.metadata.Metadata;


public interface ValueUnit extends Metadata, FormatSupport, Serializable {
    String getSymbol();

    @Override // org.springblade.core.tool.metadata.Metadata
    default Map<String, Object> getExpands() {
        return null;
    }
}