import type { ArrayMetadata, ArrayMetadataV2, BigintDataType, CodecMetadata, DataType, GroupMetadata, NumberDataType, ObjectType, Scalar, StringDataType, TypedArrayConstructor } from "./metadata.js";
export declare function json_encode_object(o: Record<string, any>): Uint8Array;
export declare function json_decode_object(bytes: Uint8Array): any;
export declare function byteswap_inplace(view: Uint8Array, bytes_per_element: number): void;
export declare function get_ctr<D extends DataType>(data_type: D): TypedArrayConstructor<D>;
/** Compute strides for 'C' or 'F' ordered array from shape */
export declare function get_strides(shape: readonly number[], order: "C" | "F"): number[];
export declare function create_chunk_key_encoder({ name, configuration }: ArrayMetadata["chunk_key_encoding"]): (chunk_coords: number[]) => string;
export declare function get_array_order(codecs: CodecMetadata[]): "C" | "F";
export declare const v2_marker: unique symbol;
export declare function v2_to_v3_array_metadata(meta: ArrayMetadataV2, attributes?: Record<string, unknown>): ArrayMetadata<DataType>;
export declare function v2_to_v3_group_metadata(_meta: unknown, attributes?: Record<string, unknown>): GroupMetadata;
export type DataTypeQuery = DataType | "boolean" | "number" | "bigint" | "object" | "string";
export type NarrowDataType<Dtype extends DataType, Query extends DataTypeQuery> = Query extends "number" ? NumberDataType : Query extends "bigint" ? BigintDataType : Query extends "string" ? StringDataType : Query extends "object" ? ObjectType : Extract<Query, Dtype>;
export declare function is_dtype<Query extends DataTypeQuery>(dtype: DataType, query: Query): dtype is NarrowDataType<DataType, Query>;
export type ShardingCodecMetadata = {
    name: "sharding_indexed";
    configuration: {
        chunk_shape: number[];
        codecs: CodecMetadata[];
        index_codecs: CodecMetadata[];
    };
};
export declare function is_sharding_codec(codec: CodecMetadata): codec is ShardingCodecMetadata;
export declare function ensure_correct_scalar<D extends DataType>(metadata: ArrayMetadata<D>): Scalar<D> | null;