// reached convergence, false otherwise.
  FailureOr<bool> PropagateShapeIntoAttachedFunctions(Operation* op,
                                                      int64_t max_iterations);

  // Shape propagation for region based control flow.
  // Returns a failure() on error, otherwise returns true to indicate that it
  // reached convergence, false otherwise.
  FailureOr<bool> PropagateShapeIntoAttachedRegions(Operation* op,

// TableGen'd op method definitions
//===----------------------------------------------------------------------===//

#include "tensorflow/compiler/mlir/lite/ir/tfl_ops_interface.cc.inc"

static FailureOr<SmallVector<int32_t>> parseI32Array(AsmParser& parser) {
  SmallVector<int32_t> elements;
  auto elementParser = [&]() {
    int32_t element;
    if (failed(parser.parseInteger(element))) return failure();