import { FunctionServerType } from '@based/protocol/client-server';
import { WebSocketSession } from '@based/functions';
export declare const COMPRESS_FROM_BYTES = 150;
export declare const decodeHeader: (nr: number) => {
    type: FunctionServerType;
    isDeflate: boolean;
    len: number;
};
export declare const CONTENT_TYPE_JSON_U8: Uint8Array<ArrayBuffer>;
export declare const CONTENT_TYPE_UINT8_ARRAY_U8: Uint8Array<ArrayBuffer>;
export declare const CONTENT_TYPE_STRING_U8: Uint8Array<ArrayBuffer>;
export declare const CONTENT_TYPE_UNDEFINED_U8: Uint8Array<ArrayBuffer>;
export declare const CONTENT_TYPE_NULL_U8: Uint8Array<ArrayBuffer>;
export declare const CONTENT_TYPE_VERSION_1_U8: Uint8Array<ArrayBuffer>;
export declare const CONTENT_TYPE_DB_QUERY: Uint8Array<ArrayBuffer>;
export declare const parseIncomingQueryPayload: (arr: Uint8Array, start: number, headerLen: number, len: number, session: WebSocketSession, isDeflate: boolean) => any;
export declare const cacheV2toV1: (buf: Uint8Array) => Uint8Array;
export declare const diffV2toV1: (buf: Uint8Array) => Uint8Array;
export type ValueBuffer = {
    contentByte: Uint8Array;
    buf: Uint8Array;
    deflate: boolean;
};
export declare const valueToBufferV1: (payload: any, deflate: boolean) => ValueBuffer;
export declare const valueToBuffer: (payload: any, deflate: boolean) => ValueBuffer;
export declare const decodePayloadV1: (payload: Uint8Array, isDeflate: boolean) => any;
export declare const decodePayload: (payload: Uint8Array, isDeflate: boolean, isOldClient: boolean) => any;
export declare const decodeName: (arr: Uint8Array, start: number, end: number) => string;
export declare const encodeFunctionResponse: (id: number, val: ValueBuffer) => Uint8Array;
export declare const encodeStreamFunctionResponse: (id: number, val: ValueBuffer) => Uint8Array;
export declare const encodeStreamFunctionChunkResponse: (id: number, seqId: number, code?: number, maxChunkSize?: number) => Uint8Array;
export declare const encodeGetResponse: (id: number) => Uint8Array;
export declare const updateId: (payload: Uint8Array, id: number) => Uint8Array;
export declare const encodeObservableResponse: (id: number, checksum: number, val: ValueBuffer) => [Uint8Array, boolean];
export declare const encodeObservableDiffResponse: (id: number, checksum: number, previousChecksum: number, val: ValueBuffer) => Uint8Array;
export declare const encodeAuthResponse: (val: ValueBuffer) => Uint8Array;
export declare const encodeErrorResponse: (val: ValueBuffer) => Uint8Array;
export declare const encodeChannelMessage: (id: number, val: ValueBuffer) => Uint8Array;
export declare const encodeReload: (type: number, seqId: number) => Uint8Array;