import type { Provider } from "@metaobjectsdev/render";
/** Provider backed by an arbitrary on-disk template directory. References
 *  resolve as `<dir>/<ref>.mustache`. Used by both the framework default
 *  and adopter override paths. */
export declare class FileSystemProvider implements Provider {
    private readonly root;
    constructor(root: string);
    resolve(ref: string): string | undefined;
}
export declare const frameworkTemplatesProvider: Provider;
/** Compose providers: first match wins. Adopters typically chain
 *  `[projectProvider, frameworkTemplatesProvider]` so their own templates
 *  override the framework defaults. */
export declare class ProviderChain implements Provider {
    private readonly providers;
    constructor(providers: readonly Provider[]);
    resolve(ref: string): string | undefined;
}
/** Build a project-scoped Provider: layers an optional project `templates/`
 *  directory over the framework defaults. Returns just the framework provider
 *  when `projectRoot` is undefined / its `templates/` dir doesn't exist. */
export declare function projectProvider(projectRoot?: string): Provider;
/** Exposed for tests that want to inspect the resolved framework templates
 *  directory (don't use outside tests). Resolved lazily so that merely
 *  importing this module never walks the filesystem or throws — tests always
 *  run from source where the on-disk dir exists; the standalone binary (where
 *  no dir exists) never touches this export. */
export declare function frameworkTemplatesDirForTests(): string;
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