import { RewardResult } from './types';
/** Merge multiple RewardResults into a single map (mutates `target`) */
export declare function mergeRewardResults(target: RewardResult, source: RewardResult): void;
/**
 * Fetch and merge all lender reward sources.
 * Can be called standalone (for testing) or as a promise in a parallel flow.
 */
export declare function fetchLenderRewards(): Promise<RewardResult>;
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