function migrationFnimport { migrationFn } from "https://deno.land/x/embassyd_sdk@v0.3.3.4.0-alpha3/migrations.ts"; migrationFn<version extends string, type extends "up" | "down">(fn: (effects: T.Effects) => Promise<T.MigrationRes>): MigrationFn<version, type>Type Parametersversion extends stringtype extends "up" | "down"Parametersfn: (effects: T.Effects) => Promise<T.MigrationRes>ReturnsMigrationFn<version, type>