syntax = "proto3"; package monsta.v1; enum GeneralOperator { GET = 0; SET = 1; DELETE = 2; } enum BooleanOperator { OR = 0; AND = 1; NOT = 2; } enum ComparisonOperator { LT = 0; LE = 1; GT = 2; GE = 3; EQ = 4; NE = 5; }