/**
 * Single rendering rule for a raw JSON:API attribute value, shared by the
 * fallback summary and the `fields` projection — some Boond amounts come back
 * as `{ amount, currency }` objects, and the two paths used to disagree
 * (`[object Object]` on one side, JSON on the other).
 */
export declare function renderAttributeValue(value: unknown): string;
export declare function formatEntitySummary(entity: unknown): string;
/**
 * One result line restricted to the caller-selected attribute names.
 * Unknown names are skipped silently (the schemas document this), so a typo
 * degrades to a shorter line rather than an error. Non-primitive values are
 * JSON-serialised — some Boond attributes are nested objects.
 */
export declare function formatProjectedSummary(entity: unknown, fields: string[]): string;
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