Add tests for previous commit to avoid invoking Micromark parser when not needed, improve type definitions slightly (closes #1564).

lib/markdownlint.d.mts

@@ -82,6 +82,23 @@ export function applyFixes(input: string, errors: RuleOnErrorInfo[]): string;
  * @returns {string} SemVer string.
  */
 export function getVersion(): string;
+/**
+ * Result object for getEnabledRulesPerLineNumber.
+ */
+export type EnabledRulesPerLineNumberResult = {
+    /**
+     * Effective configuration.
+     */
+    effectiveConfig: Configuration;
+    /**
+     * Enabled rules per line number.
+     */
+    enabledRulesPerLineNumber: any[];
+    /**
+     * Enabled rule list.
+     */
+    enabledRuleList: Rule[];
+};
 /**
  * Function to implement rule logic.
  */