Method once

apps/kimi-code/src/cli/run-prompt.ts:85–85

(signal: NodeJS.Signals, listener: () => Promise<void>)

interface PromptProcess {
  once(signal: NodeJS.Signals, listener: () => Promise<void>): unknown;
  off(signal: NodeJS.Signals, listener: () => Promise<void>): unknown;
  exit(code?: number): never | void;
}