Inspectable

interface Inspectable {
  [NodeInspectSymbol](): unknown;
  toJSON(): unknown;
  toString(): string;
}

declare const BaseProto: Inspectable;

declare class Class {
  constructor();
  [NodeInspectSymbol](): unknown;
  abstract toJSON(): unknown;
  toString(): string;
}

declare function format(x: unknown): string;

declare function stringifyCircular(obj: unknown, whitespace?: string | number): string;

declare function toJSON(x: unknown): unknown;

declare function toStringUnknown(u: unknown, whitespace: string | number | undefined): string;

declare function isRedactable(u: unknown): u is Redactable;

declare function redact(u: unknown): unknown;

interface Redactable {
  readonly [symbolRedactable]: (fiberRefs: FiberRefs) => unknown;
}

declare const symbolRedactable: unique symbol;

declare function withRedactableContext<A>(context: FiberRefs, f: () => A): A;

declare const NodeInspectSymbol: typeof NodeInspectSymbol;

type NodeInspectSymbol = typeof NodeInspectSymbol;