export declare function isInstalledPersonaHarnessPackageFile(targetFile: string): boolean;
export declare function extractTargetFile(toolName: string, args: Record<string, unknown>): string | undefined;
/**
 * Reads the target out of a patch body. Prefers a Java source when the patch
 * touches several files, because the observers only apply to Java.
 */
export declare function extractPatchTargetFile(args: Record<string, unknown>): string | undefined;