method Long.prototype.shlimport { Long } from "https://dotland.deno.dev/x/web_bson@v0.3.0/mod.d.ts"; shl(numBits: number | Long): LongThis is an alias of {@link Long.shiftLeft} This is an alias of {@link Long.shiftLeft} ParametersnumBits: number | LongReturnsLong