import { Decimal, IntSize, IonType, Reader, ReaderScalarValue, Timestamp, Writer } from 'ion-js';
import { Hasher, HasherProvider, HashReader, HashWriter } from "../IonHash";
import JSBI from "jsbi";
export declare class _CryptoHasher implements Hasher {
    private readonly algorithm;
    private _hash;
    constructor(algorithm: string);
    update(bytes: Uint8Array): void;
    digest(): Uint8Array;
}
interface _IonValue {
    _annotations(): string[];
    _fieldName(): string | null;
    _isNull(): boolean;
    _type(): IonType | null;
    _value(): ReaderScalarValue;
}
export declare class _HashReaderImpl implements HashReader, _IonValue {
    private readonly _reader;
    private readonly _hashFunctionProvider;
    private readonly _hasher;
    private _ionType;
    constructor(_reader: Reader, _hashFunctionProvider: HasherProvider);
    annotations(): string[];
    bigIntValue(): JSBI | null;
    booleanValue(): boolean | null;
    byteValue(): Uint8Array | null;
    decimalValue(): Decimal | null;
    depth(): number;
    fieldName(): string | null;
    intSize(): IntSize;
    isNull(): boolean;
    numberValue(): number | null;
    stringValue(): string | null;
    timestampValue(): Timestamp | null;
    type(): IonType | null;
    value(): ReaderScalarValue;
    private _traverse;
    next(): IonType | null;
    stepIn(): void;
    stepOut(): void;
    digest(): Uint8Array;
    _annotations(): string[];
    _fieldName(): string | null;
    _isNull(): boolean;
    _type(): IonType | null;
    _value(): ReaderScalarValue;
}
export declare class _HashWriterImpl implements HashWriter, _IonValue {
    private readonly _writer;
    private readonly _hashFunctionProvider;
    private readonly _hasher;
    private __ionType;
    private __annotations;
    private __fieldName;
    private __isNull;
    private __value;
    constructor(_writer: Writer, _hashFunctionProvider: HasherProvider);
    addAnnotation(annotation: string): void;
    setAnnotations(annotations: string[]): void;
    private _hashScalar;
    writeBlob(value: Uint8Array | null): void;
    writeBoolean(value: boolean | null): void;
    writeClob(value: Uint8Array | null): void;
    writeDecimal(value: Decimal | null): void;
    writeFloat32(value: number | null): void;
    writeFloat64(value: number | null): void;
    writeInt(value: number | JSBI | null): void;
    writeNull(type: IonType): void;
    writeString(value: string | null): void;
    writeSymbol(value: string | null): void;
    writeTimestamp(value: Timestamp | null): void;
    stepIn(type: IonType): void;
    stepOut(): void;
    writeFieldName(fieldName: string): void;
    writeValue(reader: Reader): void;
    private _writeValue;
    writeValues(reader: Reader): void;
    private _writeValues;
    getBytes(): Uint8Array;
    close(): void;
    depth(): number;
    digest(): Uint8Array;
    _annotations(): string[];
    _fieldName(): string | null;
    _isNull(): boolean;
    _type(): IonType | null;
    _value(): ReaderScalarValue;
}
export declare function _Uint8ArrayComparator(a: Uint8Array, b: Uint8Array): number;
export declare function _escape(bytes: Uint8Array): Uint8Array;
export {};