@nomicfoundation/hardhat-keystore/src/internal/type-extensions.ts

A module for managing keystore files that store a map from IDs to encrypted string values.

declare module "hardhat/types/config" {
  export interface HardhatConfig {
    keystore: {
      filePath: string;
      devFilePath: string;
      devPasswordFilePath: string;
    };
  }
}