import { Ref } from 'vue';
import { ImportSchema } from '../types/reader';
import { default as ExcelReader } from '../components/ExcelReader.vue';
import { ExpandRecursively, Narrowable } from '../../_shared/types/utils';
export declare function useExcelReader<TImportSchema extends ImportSchema<FieldKeys>, FieldKeys extends Narrowable>(readerRef: Ref<InstanceType<typeof ExcelReader> | undefined>, _schema: TImportSchema): {
    validRows: globalThis.ComputedRef<ExpandRecursively<import('../../_shared/types/utils').RemoveNeverProps<import('../../_shared/types/utils').UnionToIntersection<{ [K in TImportSchema["fields"][number] as K extends {
        required: false;
    } | {
        required: undefined;
    } ? never : K extends {
        transformKey: string;
    } ? K["transformKey"] : K["key"]]: K extends {
        multiple: true;
    } ? import('../types/reader').ResolveFieldType<K>[] : import('../types/reader').ResolveFieldType<K>; } | { [K_1 in TImportSchema["fields"][number] as K_1 extends {
        required: true;
    } ? never : K_1 extends {
        transformKey: string;
    } ? K_1["transformKey"] : K_1["key"]]?: (K_1 extends {
        multiple: true;
    } ? import('../types/reader').ResolveFieldType<K_1>[] : import('../types/reader').ResolveFieldType<K_1>) | undefined; }>>>[]>;
    invalidRows: globalThis.ComputedRef<Record<string, unknown>[]>;
    exportInvalidRows: () => void | undefined;
    downloadReferenceFile: () => void | undefined;
};