/**
 * Why a private blob operation failed, as a value callers can branch on.
 * "Absent" (`not_found`/`gone`), "unreadable" (`corrupt`) and "the backend is
 * not there right now" (`not_configured`/`unavailable`) are different facts
 * with different remedies, so none of them may collapse into one message.
 */
export type PrivateBlobFailureKind = 
/** The provider reports that no such object exists. */
"not_found"
/** The object existed and was removed (retention, explicit delete). */
 | "gone"
/** The stored bytes or handle descriptor cannot be decrypted or parsed. */
 | "corrupt"
/** No provider can serve this handle in this deployment or request. */
 | "not_configured"
/** The provider or its transport failed; a later attempt may succeed. */
 | "unavailable";
export declare class PrivateBlobError extends Error {
    readonly privateBlobError = true;
    readonly kind: PrivateBlobFailureKind;
    readonly status?: number;
    constructor(message: string, kind: PrivateBlobFailureKind, options?: {
        status?: number;
        cause?: unknown;
    });
}
export declare function isPrivateBlobError(error: unknown): error is PrivateBlobError;
/**
 * A byte range the blob can't satisfy: malformed, or starting past the end.
 * `size` is the blob's length when known, for a `Content-Range: bytes *\/size`
 * reply.
 */
export declare class PrivateBlobRangeError extends RangeError {
    readonly size?: number;
    constructor(message: string, size?: number);
}