database

type Database interface {
	GetVariable(userId string, key string) (model.VariableWithUser, error)
	SetVariable(variable model.VariableWithUser) error
	DeleteVariable(userId string, key string) error
	ListVariables(userId string, query model.VariablesQueryOptions) ([]model.VariableWithUnixTimestamp, error)
	DeleteVariablesOfProcessDefinition(definitionId string) error
	DeleteVariablesOfProcessInstance(instanceId string) error
	CountVariables(userId string, query model.VariablesQueryOptions) (model.Count, error)
}