lang/java/avro/src/main/java/org/apache/avro/util/Schemas.java [75:93]:
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          Schema.Type type = schema.getType();
          switch (type) {
          case ARRAY:
            terminate = visitNonTerminal(visitor, schema, dq, Collections.singleton(schema.getElementType()));
            visited.put(schema, schema);
            break;
          case RECORD:
            terminate = visitNonTerminal(visitor, schema, dq, () -> schema.getFields().stream().map(Field::schema)
                .collect(Collectors.toCollection(ArrayDeque::new)).descendingIterator());
            visited.put(schema, schema);
            break;
          case UNION:
            terminate = visitNonTerminal(visitor, schema, dq, schema.getTypes());
            visited.put(schema, schema);
            break;
          case MAP:
            terminate = visitNonTerminal(visitor, schema, dq, Collections.singleton(schema.getValueType()));
            visited.put(schema, schema);
            break;
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lang/java/compiler/src/main/java/org/apache/avro/compiler/schema/Schemas.java [132:150]:
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          Schema.Type type = schema.getType();
          switch (type) {
          case ARRAY:
            terminate = visitNonTerminal(visitor, schema, dq, Collections.singleton(schema.getElementType()));
            visited.put(schema, schema);
            break;
          case RECORD:
            terminate = visitNonTerminal(visitor, schema, dq, () -> schema.getFields().stream().map(Field::schema)
                .collect(Collectors.toCollection(ArrayDeque::new)).descendingIterator());
            visited.put(schema, schema);
            break;
          case UNION:
            terminate = visitNonTerminal(visitor, schema, dq, schema.getTypes());
            visited.put(schema, schema);
            break;
          case MAP:
            terminate = visitNonTerminal(visitor, schema, dq, Collections.singleton(schema.getValueType()));
            visited.put(schema, schema);
            break;
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