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#ifndef __GRPC_INTERNAL_TRANSPORT_CHTTP2_ALPN_H_
#define __GRPC_INTERNAL_TRANSPORT_CHTTP2_ALPN_H_

#include <string.h>

/* Retuns 1 if the version is supported, 0 otherwise. */
int grpc_chttp2_is_alpn_version_supported(const char *version, size_t size);

/* Returns the number of protocol versions to advertise */
size_t grpc_chttp2_num_alpn_versions();

/* Returns the protocol version at index i (0 <= i <
 * grpc_chttp2_num_alpn_versions()) */
const char *grpc_chttp2_get_alpn_version_index(size_t i);

#endif /* __GRPC_INTERNAL_TRANSPORT_CHTTP2_ALPN_H_ */