import { flatbuffers } from 'flatbuffers';
import * as NS7624605610262437867 from './Schema';
export declare namespace org.apache.arrow.flatbuf {
    export import Schema = NS7624605610262437867.org.apache.arrow.flatbuf.Schema;
}
/**
 * ----------------------------------------------------------------------
 * The root Message type
 * This union enables us to easily send different message types without
 * redundant storage, and in the future we can easily add new message types.
 *
 * Arrow implementations do not need to implement all of the message types,
 * which may include experimental metadata types. For maximum compatibility,
 * it is best to send data using RecordBatch
 *
 * @enum {number}
 */
export declare namespace org.apache.arrow.flatbuf {
    enum MessageHeader {
        NONE = 0,
        Schema = 1,
        DictionaryBatch = 2,
        RecordBatch = 3,
        Tensor = 4,
        SparseTensor = 5
    }
}
/**
 * ----------------------------------------------------------------------
 * Data structures for describing a table row batch (a collection of
 * equal-length Arrow arrays)
 * Metadata about a field at some level of a nested type tree (but not
 * its children).
 *
 * For example, a List<Int16> with values [[1, 2, 3], null, [4], [5, 6], null]
 * would have {length: 5, null_count: 2} for its List node, and {length: 6,
 * null_count: 0} for its Int16 node, as separate FieldNode structs
 *
 * @constructor
 */
export declare namespace org.apache.arrow.flatbuf {
    class FieldNode {
        bb: flatbuffers.ByteBuffer | null;
        bb_pos: number;
        /**
         * @param number i
         * @param flatbuffers.ByteBuffer bb
         * @returns FieldNode
         */
        __init(i: number, bb: flatbuffers.ByteBuffer): FieldNode;
        /**
         * The number of value slots in the Arrow array at this level of a nested
         * tree
         *
         * @returns flatbuffers.Long
         */
        length(): flatbuffers.Long;
        /**
         * The number of observed nulls. Fields with null_count == 0 may choose not
         * to write their physical validity bitmap out as a materialized buffer,
         * instead setting the length of the bitmap buffer to 0.
         *
         * @returns flatbuffers.Long
         */
        nullCount(): flatbuffers.Long;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Long length
         * @param flatbuffers.Long null_count
         * @returns flatbuffers.Offset
         */
        static createFieldNode(builder: flatbuffers.Builder, length: flatbuffers.Long, null_count: flatbuffers.Long): flatbuffers.Offset;
    }
}
/**
 * A data header describing the shared memory layout of a "record" or "row"
 * batch. Some systems call this a "row batch" internally and others a "record
 * batch".
 *
 * @constructor
 */
export declare namespace org.apache.arrow.flatbuf {
    class RecordBatch {
        bb: flatbuffers.ByteBuffer | null;
        bb_pos: number;
        /**
         * @param number i
         * @param flatbuffers.ByteBuffer bb
         * @returns RecordBatch
         */
        __init(i: number, bb: flatbuffers.ByteBuffer): RecordBatch;
        /**
         * @param flatbuffers.ByteBuffer bb
         * @param RecordBatch= obj
         * @returns RecordBatch
         */
        static getRootAsRecordBatch(bb: flatbuffers.ByteBuffer, obj?: RecordBatch): RecordBatch;
        /**
         * number of records / rows. The arrays in the batch should all have this
         * length
         *
         * @returns flatbuffers.Long
         */
        length(): flatbuffers.Long;
        /**
         * Nodes correspond to the pre-ordered flattened logical schema
         *
         * @param number index
         * @param org.apache.arrow.flatbuf.FieldNode= obj
         * @returns org.apache.arrow.flatbuf.FieldNode
         */
        nodes(index: number, obj?: org.apache.arrow.flatbuf.FieldNode): org.apache.arrow.flatbuf.FieldNode | null;
        /**
         * @returns number
         */
        nodesLength(): number;
        /**
         * Buffers correspond to the pre-ordered flattened buffer tree
         *
         * The number of buffers appended to this list depends on the schema. For
         * example, most primitive arrays will have 2 buffers, 1 for the validity
         * bitmap and 1 for the values. For struct arrays, there will only be a
         * single buffer for the validity (nulls) bitmap
         *
         * @param number index
         * @param org.apache.arrow.flatbuf.Buffer= obj
         * @returns org.apache.arrow.flatbuf.Buffer
         */
        buffers(index: number, obj?: NS7624605610262437867.org.apache.arrow.flatbuf.Buffer): NS7624605610262437867.org.apache.arrow.flatbuf.Buffer | null;
        /**
         * @returns number
         */
        buffersLength(): number;
        /**
         * @param flatbuffers.Builder builder
         */
        static startRecordBatch(builder: flatbuffers.Builder): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Long length
         */
        static addLength(builder: flatbuffers.Builder, length: flatbuffers.Long): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Offset nodesOffset
         */
        static addNodes(builder: flatbuffers.Builder, nodesOffset: flatbuffers.Offset): void;
        /**
         * @param flatbuffers.Builder builder
         * @param number numElems
         */
        static startNodesVector(builder: flatbuffers.Builder, numElems: number): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Offset buffersOffset
         */
        static addBuffers(builder: flatbuffers.Builder, buffersOffset: flatbuffers.Offset): void;
        /**
         * @param flatbuffers.Builder builder
         * @param number numElems
         */
        static startBuffersVector(builder: flatbuffers.Builder, numElems: number): void;
        /**
         * @param flatbuffers.Builder builder
         * @returns flatbuffers.Offset
         */
        static endRecordBatch(builder: flatbuffers.Builder): flatbuffers.Offset;
        static createRecordBatch(builder: flatbuffers.Builder, length: flatbuffers.Long, nodesOffset: flatbuffers.Offset, buffersOffset: flatbuffers.Offset): flatbuffers.Offset;
    }
}
/**
 * For sending dictionary encoding information. Any Field can be
 * dictionary-encoded, but in this case none of its children may be
 * dictionary-encoded.
 * There is one vector / column per dictionary, but that vector / column
 * may be spread across multiple dictionary batches by using the isDelta
 * flag
 *
 * @constructor
 */
export declare namespace org.apache.arrow.flatbuf {
    class DictionaryBatch {
        bb: flatbuffers.ByteBuffer | null;
        bb_pos: number;
        /**
         * @param number i
         * @param flatbuffers.ByteBuffer bb
         * @returns DictionaryBatch
         */
        __init(i: number, bb: flatbuffers.ByteBuffer): DictionaryBatch;
        /**
         * @param flatbuffers.ByteBuffer bb
         * @param DictionaryBatch= obj
         * @returns DictionaryBatch
         */
        static getRootAsDictionaryBatch(bb: flatbuffers.ByteBuffer, obj?: DictionaryBatch): DictionaryBatch;
        /**
         * @returns flatbuffers.Long
         */
        id(): flatbuffers.Long;
        /**
         * @param org.apache.arrow.flatbuf.RecordBatch= obj
         * @returns org.apache.arrow.flatbuf.RecordBatch|null
         */
        data(obj?: org.apache.arrow.flatbuf.RecordBatch): org.apache.arrow.flatbuf.RecordBatch | null;
        /**
         * If isDelta is true the values in the dictionary are to be appended to a
         * dictionary with the indicated id
         *
         * @returns boolean
         */
        isDelta(): boolean;
        /**
         * @param flatbuffers.Builder builder
         */
        static startDictionaryBatch(builder: flatbuffers.Builder): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Long id
         */
        static addId(builder: flatbuffers.Builder, id: flatbuffers.Long): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Offset dataOffset
         */
        static addData(builder: flatbuffers.Builder, dataOffset: flatbuffers.Offset): void;
        /**
         * @param flatbuffers.Builder builder
         * @param boolean isDelta
         */
        static addIsDelta(builder: flatbuffers.Builder, isDelta: boolean): void;
        /**
         * @param flatbuffers.Builder builder
         * @returns flatbuffers.Offset
         */
        static endDictionaryBatch(builder: flatbuffers.Builder): flatbuffers.Offset;
        static createDictionaryBatch(builder: flatbuffers.Builder, id: flatbuffers.Long, dataOffset: flatbuffers.Offset, isDelta: boolean): flatbuffers.Offset;
    }
}
/**
 * @constructor
 */
export declare namespace org.apache.arrow.flatbuf {
    class Message {
        bb: flatbuffers.ByteBuffer | null;
        bb_pos: number;
        /**
         * @param number i
         * @param flatbuffers.ByteBuffer bb
         * @returns Message
         */
        __init(i: number, bb: flatbuffers.ByteBuffer): Message;
        /**
         * @param flatbuffers.ByteBuffer bb
         * @param Message= obj
         * @returns Message
         */
        static getRootAsMessage(bb: flatbuffers.ByteBuffer, obj?: Message): Message;
        /**
         * @returns org.apache.arrow.flatbuf.MetadataVersion
         */
        version(): NS7624605610262437867.org.apache.arrow.flatbuf.MetadataVersion;
        /**
         * @returns org.apache.arrow.flatbuf.MessageHeader
         */
        headerType(): org.apache.arrow.flatbuf.MessageHeader;
        /**
         * @param flatbuffers.Table obj
         * @returns ?flatbuffers.Table
         */
        header<T extends flatbuffers.Table>(obj: T): T | null;
        /**
         * @returns flatbuffers.Long
         */
        bodyLength(): flatbuffers.Long;
        /**
         * @param number index
         * @param org.apache.arrow.flatbuf.KeyValue= obj
         * @returns org.apache.arrow.flatbuf.KeyValue
         */
        customMetadata(index: number, obj?: NS7624605610262437867.org.apache.arrow.flatbuf.KeyValue): NS7624605610262437867.org.apache.arrow.flatbuf.KeyValue | null;
        /**
         * @returns number
         */
        customMetadataLength(): number;
        /**
         * @param flatbuffers.Builder builder
         */
        static startMessage(builder: flatbuffers.Builder): void;
        /**
         * @param flatbuffers.Builder builder
         * @param org.apache.arrow.flatbuf.MetadataVersion version
         */
        static addVersion(builder: flatbuffers.Builder, version: NS7624605610262437867.org.apache.arrow.flatbuf.MetadataVersion): void;
        /**
         * @param flatbuffers.Builder builder
         * @param org.apache.arrow.flatbuf.MessageHeader headerType
         */
        static addHeaderType(builder: flatbuffers.Builder, headerType: org.apache.arrow.flatbuf.MessageHeader): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Offset headerOffset
         */
        static addHeader(builder: flatbuffers.Builder, headerOffset: flatbuffers.Offset): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Long bodyLength
         */
        static addBodyLength(builder: flatbuffers.Builder, bodyLength: flatbuffers.Long): void;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Offset customMetadataOffset
         */
        static addCustomMetadata(builder: flatbuffers.Builder, customMetadataOffset: flatbuffers.Offset): void;
        /**
         * @param flatbuffers.Builder builder
         * @param Array.<flatbuffers.Offset> data
         * @returns flatbuffers.Offset
         */
        static createCustomMetadataVector(builder: flatbuffers.Builder, data: flatbuffers.Offset[]): flatbuffers.Offset;
        /**
         * @param flatbuffers.Builder builder
         * @param number numElems
         */
        static startCustomMetadataVector(builder: flatbuffers.Builder, numElems: number): void;
        /**
         * @param flatbuffers.Builder builder
         * @returns flatbuffers.Offset
         */
        static endMessage(builder: flatbuffers.Builder): flatbuffers.Offset;
        /**
         * @param flatbuffers.Builder builder
         * @param flatbuffers.Offset offset
         */
        static finishMessageBuffer(builder: flatbuffers.Builder, offset: flatbuffers.Offset): void;
        static createMessage(builder: flatbuffers.Builder, version: NS7624605610262437867.org.apache.arrow.flatbuf.MetadataVersion, headerType: org.apache.arrow.flatbuf.MessageHeader, headerOffset: flatbuffers.Offset, bodyLength: flatbuffers.Long, customMetadataOffset: flatbuffers.Offset): flatbuffers.Offset;
    }
}