function booleanimport { boolean } from "https://deno.land/x/valibot@v0.13.1/mod.ts"; boolean(pipe?: Pipe<boolean>): BooleanSchemaCreates a boolean schema. boolean(error?: string, pipe?: Pipe<boolean>): BooleanSchemaCreates a boolean schema. Creates a boolean schema. Parametersoptionalpipe: Pipe<boolean>A validation and transformation pipe. ReturnsBooleanSchemaA boolean schema. Creates a boolean schema. Parametersoptionalerror: stringThe error message. optionalpipe: Pipe<boolean>A validation and transformation pipe. ReturnsBooleanSchemaA boolean schema.