/**
 * Pure sourced-content primitives for consumers that validate or compose
 * adapter content payloads without depending on the catalog runtime package.
 */
import { z } from "zod";
export declare const BOARD_BASIS_VALUES: readonly ["room_only", "bed_breakfast", "half_board", "full_board", "all_inclusive"];
export declare const boardBasisSchema: z.ZodEnum<{
    room_only: "room_only";
    bed_breakfast: "bed_breakfast";
    half_board: "half_board";
    full_board: "full_board";
    all_inclusive: "all_inclusive";
}>;
export type BoardBasis = z.infer<typeof boardBasisSchema>;
export declare const BOARD_BASIS_SHORT_CODES: {
    readonly room_only: "RO";
    readonly bed_breakfast: "BB";
    readonly half_board: "HB";
    readonly full_board: "FB";
    readonly all_inclusive: "AI";
};
export type BoardBasisShortCode = (typeof BOARD_BASIS_SHORT_CODES)[keyof typeof BOARD_BASIS_SHORT_CODES];
export declare const BOARD_BASIS_FROM_SHORT_CODE: {
    readonly RO: "room_only";
    readonly BB: "bed_breakfast";
    readonly HB: "half_board";
    readonly FB: "full_board";
    readonly AI: "all_inclusive";
};
export declare function isStale(row: {
    fresh_until: Date | null | undefined;
}, now?: Date): boolean;
export type ContentLocaleMatchKind = "exact" | "language_match" | "fallback_chain" | "any";
export interface ContentLocaleResolution<T> {
    candidate: T;
    served_locale: string;
    match_kind: ContentLocaleMatchKind;
}
export declare function pickBestCachedLocale<T extends {
    locale: string;
}>(candidates: ReadonlyArray<T>, preferredLocales: ReadonlyArray<string>): ContentLocaleResolution<T> | null;
export declare class JsonPointerError extends Error {
    readonly pointer: string;
    readonly reason: string;
    constructor(pointer: string, reason: string);
}
export declare function parseJsonPointer(pointer: string): string[];
export declare function applyJsonPointerOverlay(target: unknown, pointer: string, value: unknown): unknown;
export declare const CONTENT_ROOT_NODE_KIND = "root";
export declare const CONTENT_ROOT_NODE_KEY = "root";
export interface ContentOverlay {
    field_path: string;
    value: unknown;
    node_kind?: string;
    node_key?: string;
    id?: string;
    version?: number;
}
export interface MergeOverlaysOptions {
    validate?: (payload: unknown) => {
        valid: boolean;
        reason?: string;
    };
    onOverlayError?: (event: {
        overlay: ContentOverlay;
        reason: string;
    }) => void;
    resolveNodePointer?: (payload: unknown, overlay: ContentOverlay) => string | null;
}
export declare function mergeOverlaysIntoContent(payload: unknown, overlays: ReadonlyArray<ContentOverlay>, options?: MergeOverlaysOptions): unknown;