export type ColumnAccessor<Row> = keyof Row | string | ((row: Row) => unknown);
export type RowKey<Row> = keyof Row | string | ((row: Row, index: number) => string);
/** Resolve a column value from a function, keyof, or dot-path accessor. */
export declare function resolveAccessor<Row>(row: Row, accessor: ColumnAccessor<Row> | undefined, fallbackId: string): unknown;
/** Resolve a stable row id (supports function, keyof, and dotted paths like `profile.id`). */
export declare function resolveRowKey<Row>(row: Row, rowKey: RowKey<Row> | undefined, index: number): string;
/** Field key for patches — functions can't be keys, so fall back to column id. */
export declare function accessorPatchKey(accessor: unknown, fallbackId: string): string;