import { MetaObject, type MetaRoot } from "@metaobjectsdev/metadata";
import type { ColumnNamingStrategy } from "../metaobjects-config.js";
import { type RenderContext } from "../render-context.js";
export interface ProjectionDeclOpts {
    readonly columnNamingStrategy: ColumnNamingStrategy;
    readonly dialect: "postgres" | "sqlite";
    readonly apiPrefix?: string;
    /** Drives the timestamp column TS type (Date vs string) in the view declaration. */
    readonly timestampMode?: "date" | "string";
    /**
     * When false, omit the Fastify-flavored filter/sort allowlists (and their
     * `runtime-ts` import) — mirrors entity-file's `allowlists` option so a
     * dependency-free consumer (no runtime-ts) gets compilable output.
     */
    readonly allowlists?: boolean;
    /**
     * Render context, when available — used to resolve value-object import MODULES
     * (`.$type<VO>()` + the VO Zod schema) in a layout/package/extStyle-aware way.
     * Absent in bare unit-test calls, which fall back to a flat same-dir import.
     */
    readonly ctx?: RenderContext;
    /**
     * Whether to emit the Drizzle `.existing()` view declaration (and its
     * drizzle-orm import). Default true. Set false for a contract-only output
     * (Zod read schema + inferred type + constants, no runtime DB dependency) —
     * e.g. a shared types package consumed by a web client that has no Drizzle.
     */
    readonly includeViewDecl?: boolean;
}
/**
 * Render a TypeScript module for a projection entity. Emits:
 *   - `<camel>View`          — Drizzle `pgView` / `sqliteView` with `.existing()`
 *   - `<Projection>Schema`   — Zod read schema (no insert/update)
 *   - `<Projection>`         — `z.infer` type alias
 *   - `<Projection>` const   — constants block ($entity, $view, $path, per-field metadata)
 *
 * @param projection  The projection entity (has a source[dbView] child).
 * @param root        The loader's root (all top-level objects as direct children,
 *                    from `MetaDataLoader.load()` or `MetaDataLoader.fromDirectory()` as `result.root`).
 * @param opts        Column naming strategy + dialect.
 */
export declare function renderProjectionDecl(projection: MetaObject, root: MetaRoot, opts: ProjectionDeclOpts): string;
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