import { DataStoreState, StrictTransferData, TransferState } from './data-store';
/**
 * Create a selector for transfer data by ID.
 *
 * @typeParam T - Optional strict transfer shape for narrowing data fields
 * @param transferId - Transfer identifier
 * @returns Selector function
 */
export declare function selectTransfer<T extends Record<string, unknown> = Record<string, unknown>>(transferId: string): (state: DataStoreState) => (TransferState & {
    data: StrictTransferData<T> | null;
    originalData: StrictTransferData<T> | null;
}) | undefined;
/**
 * Create a selector for a typed transfer field value.
 *
 * @typeParam T - Optional strict transfer shape
 * @typeParam K - Field key (inferred from `field` when T is provided)
 * @param transferId - Transfer identifier
 * @param field - Field name (restricted to `keyof T` when strict)
 * @returns Selector function returning `T[K]` (or `unknown` when untyped)
 */
export declare function selectTransferField<T extends Record<string, unknown> = Record<string, unknown>, K extends string & keyof T = string & keyof T>(transferId: string, field: K): (state: DataStoreState) => T[K] | undefined;
/**
 * Create a selector for transfer loading state.
 *
 * @param transferId - Transfer identifier
 * @returns Selector function
 */
export declare function selectTransferLoading(transferId: string): (state: DataStoreState) => boolean;
/**
 * Create a selector for transfer error state.
 *
 * @param transferId - Transfer identifier
 * @returns Selector function
 */
export declare function selectTransferError(transferId: string): (state: DataStoreState) => Error | null;
/**
 * Create a selector for transfer dirty state.
 *
 * @param transferId - Transfer identifier
 * @returns Selector function
 */
export declare function selectTransferDirty(transferId: string): (state: DataStoreState) => boolean;
/**
 * Selector for all transfer IDs.
 *
 * @param state - Store state
 * @returns Array of transfer IDs
 */
export declare function selectTransferIds(state: DataStoreState): string[];
/**
 * Selector for store version (useful for detecting any change).
 *
 * @param state - Store state
 * @returns Store version number
 */
export declare function selectVersion(state: DataStoreState): number;
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