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mapOrNull<TResult extends Object?> method Null safety

@optionalTypeArgs

TResult? mapOrNull<TResult extends Object?>(

{TResult? ref(
1. RefList value
)?,
TResult? union(
1. UnionList value
)?}

)

inherited

Implementation

@optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>({
  TResult? Function(RefList value)? ref,
  TResult? Function(UnionList value)? union,
}) =>
    throw _privateConstructorUsedError;