import { Checker } from './checker' ; /**
 * Tsetse rules should extend AbstractRule and provide a `register` function.
 * Rules are instantiated once per compilation operation and used across many
 * files.
 */ export abstract class AbstractRule { /**
     * A lower-dashed-case name for that rule. This is not used by Tsetse itself,
     * but the integrators might (such as the TypeScript Bazel rules, for
     * instance).
     */ abstract readonly ruleName : string ; abstract readonly code : number ; /**
     * Registers handler functions on nodes in Checker.
     */ abstract register ( checker ) ; }