import type { FoodResponse, MacroField, RawFoodRow, SearchResponse, SearchResult } from "./types.js";
/** Build the full-detail public response for nutrition_lookup / nutrition_barcode. */
export declare function toFoodResponse(row: RawFoodRow): FoodResponse;
/** Build the lean list-item public response for nutrition_search / nutrition_cache_list. */
export declare function toSearchResponse(row: SearchResult): SearchResponse;
export interface OverrideMacroInput {
    calories?: number;
    protein?: number;
    fat?: number;
    carbs?: number;
    fiber?: number;
    sugar?: number;
    sodium?: number;
}
export type ResolveOverrideInputResult = {
    ok: true;
    converted: OverrideMacroInput;
    suppliedMacros: MacroField[];
} | {
    ok: false;
    error: string;
};
/**
 * Validates and converts nutrition_override's per-serving/per-100g input into canonical per-100g
 * values. Extracted as a pure function (rather than living inline in the mcp.ts tool handler) so
 * the R10 rejection rule and the conversion math have a direct unit test, independent of the MCP
 * SDK's request/response plumbing.
 *
 * R10: basis "per_serving" with any macro field supplied REQUIRES serving_weight_g in the same
 * call — the stored weight is never used, since it may be exactly the value that's wrong.
 */
export declare function resolveOverrideInput(basis: "per_serving" | "per_100g", servingWeightG: number | undefined, fields: OverrideMacroInput): ResolveOverrideInputResult;