class BlockBuilderBaseAbstractimport { BlockBuilderBase } from "https://deno.land/x/rimbu@1.2.0/core/mod.ts"; Type ParametersEPropertiesabstractoptional_entries: undefined | E[]abstractoptional_entrySets: undefined | GenBlockBuilderEntry<E>[]readonlyisEmpty: booleanabstractreadonlysize: numberabstractoptionalsource: undefined | GenSource<E>MethodsforEach(f: (entry: E,index: number,halt: () => void,) => void, options?: { state?: TraverseState; }): void