import { MaybeRef } from '@vueuse/core';
import { MaybeNullOrUndefined, Nullable, Optional } from '../../../../shared/dist/esm/index';
import { CSSProperties } from 'vue';
import { BaseError } from '../../lib';
import { BlobUploadStatus } from '@speckle/shared/blobs';
/**
 * A file, as emitted out from FileUploadZone
 */
export interface UploadableFileItem {
    file: File;
    error: Nullable<Error>;
    /**
     * You can use this ID to check for File equality
     */
    id: string;
}
export type BlobPostResultItem = {
    blobId?: string;
    fileName?: string;
    fileSize?: number;
    formKey: string;
    /**
     * Success = 1, Failure = 2
     */
    uploadStatus: BlobUploadStatus;
    uploadError: string;
};
export interface UploadFileItem extends UploadableFileItem {
    /**
     * Progress between 0 and 100
     */
    progress: number;
    /**
     * When upload has finished this contains a BlobPostResultItem
     */
    result: Optional<BlobPostResultItem>;
    /**
     * When a blob gets assigned to a resource, it should count as in use, and this will
     * prevent it from being deleted as junk
     */
    inUse?: boolean;
}
export declare function usePrepareUploadableFiles(params: {
    disabled?: MaybeRef<Optional<boolean>>;
    accept?: MaybeRef<Optional<string>>;
    multiple?: MaybeRef<Optional<boolean>>;
    countLimit?: MaybeRef<Optional<number>>;
    sizeLimit: MaybeRef<number>;
}): {
    /**
     * Validate incoming files and build UploadableFileItem structs out of them
     */
    buildUploadableFiles: (files: File[]) => UploadableFileItem[] | undefined;
};
export declare class FileTooLargeError extends BaseError {
    static defaultMessage: string;
}
export declare function useFileUploadProgressCore(params: {
    item: MaybeRef<MaybeNullOrUndefined<UploadFileItem>>;
}): {
    errorMessage: import('vue').ComputedRef<string | null>;
    progressBarClasses: import('vue').ComputedRef<string>;
    progressBarStyle: import('vue').ComputedRef<CSSProperties>;
};