import type { LoadSubsetOptions } from '@tanstack/react-db';
import { Effect } from 'effect';
import { type PartitionKey, type PartitionValue } from '../../../domain/identity/index.js';
export declare const resolvePartitionKey: (opts: LoadSubsetOptions, partitionFields: string[]) => {
    field: string;
    partitionValue: PartitionValue;
    partitionKey: PartitionKey;
} | null;
export declare const makeHybridSync: (partitionFields: string[]) => Effect.Effect<{
    load: (options: LoadSubsetOptions) => (NonNullable<ReturnType<typeof resolvePartitionKey>> & {
        subscriberCount: number;
        activated: boolean;
    }) | null;
    unload: (options: LoadSubsetOptions) => (NonNullable<ReturnType<typeof resolvePartitionKey>> & {
        subscriberCount: number;
        deactivated: boolean;
    }) | null;
    subscriberCount: (partitionKey: PartitionKey) => number;
    hasSubscribers: () => boolean;
}>;
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