2 required string before = 1;
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3 repeated group MyInner = 2 [deprecated=true] {
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4 required string a = 3;
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6 required string after = 4;
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7 optional MyInner myInner2 = 5;
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10 message OuterSparse {
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11 required string before = 1;
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12 required string after = 4;
\r