DynamicSourceSplit.fromJson constructor
      
      DynamicSourceSplit.fromJson(
    
    
- Map json_
 
Implementation
DynamicSourceSplit.fromJson(core.Map json_)
    : this(
        primary: json_.containsKey('primary')
            ? DerivedSource.fromJson(
                json_['primary'] as core.Map<core.String, core.dynamic>)
            : null,
        residual: json_.containsKey('residual')
            ? DerivedSource.fromJson(
                json_['residual'] as core.Map<core.String, core.dynamic>)
            : null,
      );