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from libcpp.utility cimport pair

cdef extern from "fory/thirdparty/flat_hash_map.h" namespace "fory" nogil:
    cdef cppclass flat_hash_map[T, U]:
        ctypedef T key_type
        ctypedef U mapped_type
        ctypedef pair[T, U] value_type
        flat_hash_map() except +
        flat_hash_map(flat_hash_map&) except +
        U& operator[](const T&)
        void clear()
        bint empty()
        pair[T, U]* find(const T&)
        size_t size()
        void swap(flat_hash_map&)
        void max_load_factor(float)
        float max_load_factor()
        void rehash(size_t)
        void reserve(size_t)
        size_t bucket_count()