import type { TypeScriptDecoratorOptions } from "./bundler.js";
/**
 * Input for {@link readTypeScriptDecoratorOptions}.
 *
 * `configPath` is the root `tsconfig.json` to read. The two optional hooks let
 * a caller supply its own I/O: `readTextFile` replaces the default
 * `node:fs/promises` read, so a sandboxed or snapshot-backed caller can stay
 * inside its own boundary, and `resolveExtends` replaces the default Node
 * resolution of an `extends` specifier.
 */
export interface ReadTypeScriptDecoratorOptionsInput {
    /** Root TypeScript configuration to read. A missing file resolves to both flags off. */
    readonly configPath: string;
    /** Read one configuration file. Defaults to `node:fs/promises`. */
    readonly readTextFile?: (path: string) => Promise<string>;
    /** Resolve one `extends` specifier to a path. Defaults to Node resolution. */
    readonly resolveExtends?: (specifier: string, fromPath: string) => Promise<string>;
}
/**
 * Resolve the two legacy-decorator flags from a TypeScript configuration.
 *
 * JSONC parsing reuses the framework manifest parser. Inheritance is bounded,
 * cycle checked, and merged in TypeScript precedence order: later parents win,
 * then the child config overrides them.
 */
export declare function readTypeScriptDecoratorOptions(input: ReadTypeScriptDecoratorOptionsInput): Promise<TypeScriptDecoratorOptions>;
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