math_opt → port Relation

File in ortools/math_opt	Includes file in ortools/port
cpp / solve_result.cc	port/proto_utils.h
core / solver.cc	port/proto_utils.h
core / solver_interface.cc	port/proto_utils.h
samples / tsp.cc	port/proto_utils.h
solvers / cp_sat_solver.cc	port/proto_utils.h
solvers / glop_solver.cc	port/proto_utils.h
solvers / glpk_solver.cc	port/proto_utils.h
solvers / gscip_solver.cc	port/proto_utils.h
solvers / gurobi_solver.cc	port/proto_utils.h
solvers / pdlp_solver.cc	port/proto_utils.h
validators / callback_validator.cc	port/proto_utils.h
validators / enum_sets.cc	port/proto_utils.h
validators / result_validator.cc	port/proto_utils.h
validators / solve_stats_validator.cc	port/proto_utils.h