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#pragma once
#include <c10/macros/Export.h>
#include <torch/csrc/jit/operator_upgraders/version_map.h>
#include <cstdint>
#include <optional>
#include <string>
#include <vector>
namespace torch::jit {
struct UpgraderRange {
int min_version;
int max_version;
};
// Given a list of upgrader entries for a single operator
// and the model version for that operator, find a valid
// upgrader.
TORCH_API std::optional<UpgraderEntry> findUpgrader(
const std::vector<UpgraderEntry>& upgraders_for_schema,
size_t current_version);
// Utility methods to find if the operator is up-to-date
// based on all registered upgraders for this operator.
// This can be different from the current server version
// because the implementation of this operator could have
// been consistent for many later version bumps.
TORCH_API bool isOpCurrentBasedOnUpgraderEntries(
const std::vector<UpgraderEntry>& upgraders_for_schema,
size_t current_version);
TORCH_API bool isOpSymbolCurrent(
const std::string& name,
size_t current_version);
// Returns the possible old schemas for the operator that
// doesn't exist anymore. This can be true for deprecated
// operators. Since name is always a symbol name, there
// can be multiple schemas for different overloads.
TORCH_API std::vector<std::string> loadPossibleHistoricOps(
const std::string& name,
std::optional<size_t> version);
TORCH_API uint64_t getMaxOperatorVersion();
// Returns the list of min and max version numbers of the operators
// that an upgrader `x` support for all upgraders for op `foo`
TORCH_API std::vector<UpgraderRange> getUpgradersRangeForOp(
const std::string& name);
} // namespace torch::jit
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