/**
 * Looks in src/main/java or src/main/kotlin for the specified {@link packageName} and
 * {@link activityName} by concatenating them. For example:
 *
 * src/
 *   main/
 *     java/ or kotlin/
 *       my.package.name/
 *         ui/
 *           MainActivity.kt
 *
 * src/main/java can contain both .java and .kt sources, whilst src/main/kotlin only .kt
 *
 * @param appDir
 * @param packageName
 * @param activityName
 * @returns path to the Main Activity
 */
export declare function findActivitySourceFile(appDir: string, packageName: string, activityName: string): string | undefined;
/**
 * Patches Main Activity with the test error code snippet by the specified path {@link activityFile}.
 * Finds activity's `onCreate` method, adds the snippet and necessary imports.
 *
 * ```kotlin
 * import something
 * import something.something
 * import io.sentry.Sentry <-- this is added by us
 *
 * override fun onCreate(savedInstanceState: Bundle?) {
 *   super.onCreate(savedInstanceState)
 *   // the snippet goes here <--
 *   doSomething()
 * }
 * ```
 *
 * @param activityFile
 * @returns true if successfully patched, false otherwise
 */
export declare function patchMainActivity(activityFile: string | undefined): boolean;
/**
 * Returns the string index of the last import statement in the given code file.
 * Works for both Java and Kotlin import statements.
 *
 * @param sourceCode
 * @returns the insert index, or 0 if none found.
 */
export declare function getLastImportLineLocation(sourceCode: string): number;