import type { Logger, Rolldown } from 'vite';
import type { Diagnostic } from '../diagnostic';
/**
 * Creates a Vite Logger that routes build-level output through the CLI logger.
 * Exported for reuse in widget and other Vite build configurations.
 *
 * - Info messages are forwarded as debug output only when `verbose` is true.
 * - Warnings are suppressed because they are collected as structured
 *   diagnostics via `onwarn` and displayed through the diagnostic system.
 * - Errors (e.g. plugin errors, internal Vite errors) are always forwarded
 *   to CLI error output so users always see them.
 *
 * @param verbose - When true, Vite info messages are emitted as debug output.
 */
export declare function createViteBuildLogger(verbose?: boolean): Logger;
/**
 * Creates a warning handler for Rollup/Rolldown that converts build warnings
 * into structured diagnostics.
 *
 * - Warnings originating from `node_modules` are silently ignored.
 * - All other warnings are passed to `onWarning` as a {@link Diagnostic} with
 *   category, code, message, file path, line, and column populated.
 * - The default Rolldown handler is always invoked so Vite's internal
 *   error-throwing behavior (e.g. for `UNRESOLVED_IMPORT`) is preserved.
 *
 * @param onWarning - Callback that receives each warning as a structured diagnostic.
 */
export declare function createWarningHandler(onWarning: (diagnostic: Diagnostic) => void): (warning: Rolldown.RolldownLog, defaultHandler: (warning: Rolldown.RolldownLog | string) => void) => void;