/**
 * Environment-neutral binary helpers.
 *
 * WeChat Mini Program and some JS runtimes can handle ArrayBuffer data but do
 * not expose browser File/Blob constructors. Runtime checks must therefore use
 * duck typing and ArrayBuffer-backed adapters instead of direct instanceof
 * checks against browser globals.
 */
export interface BlobLike {
    size: number;
    type?: string;
    name?: string;
    slice(start?: number, end?: number, contentType?: string): BlobLike;
    arrayBuffer(): Promise<ArrayBuffer>;
    text?(): Promise<string>;
    stream?(): ReadableStream<Uint8Array>;
}
export declare class ArrayBufferBlob implements BlobLike {
    private readonly buffer;
    readonly type: string;
    readonly name?: string | undefined;
    readonly size: number;
    constructor(buffer: ArrayBuffer, type?: string, name?: string | undefined);
    slice(start?: number, end?: number, contentType?: string): BlobLike;
    arrayBuffer(): Promise<ArrayBuffer>;
    text(): Promise<string>;
    stream(): ReadableStream<Uint8Array>;
}
export declare function hasBlobConstructor(): boolean;
export declare function isNativeBlob(input: unknown): input is Blob;
export declare function isBlobLike(input: unknown): input is BlobLike;
export declare function getInputName(input: unknown): string | undefined;
export declare function isFileLike(input: unknown): input is BlobLike & {
    name: string;
};
export declare function toBlobLike(input: ArrayBuffer | BlobLike | Blob, type?: string): BlobLike;
export declare function blobLikeToNativeBlob(input: BlobLike, type?: string): Promise<Blob>;
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