import type { GenFile, GenMessage, GenService } from "@bufbuild/protobuf/codegenv1";
import type { Message } from "@bufbuild/protobuf";
/**
 * Describes the file google/bytestream/bytestream.proto.
 */
export declare const file_google_bytestream_bytestream: GenFile;
/**
 * Request object for ByteStream.Read.
 *
 * @generated from message google.bytestream.ReadRequest
 */
export type ReadRequest = Message<"google.bytestream.ReadRequest"> & {
    /**
     * The name of the resource to read.
     *
     * @generated from field: string resource_name = 1;
     */
    resourceName: string;
    /**
     * The offset for the first byte to return in the read, relative to the start
     * of the resource.
     *
     * A `read_offset` that is negative or greater than the size of the resource
     * will cause an `OUT_OF_RANGE` error.
     *
     * @generated from field: int64 read_offset = 2;
     */
    readOffset: bigint;
    /**
     * The maximum number of `data` bytes the server is allowed to return in the
     * sum of all `ReadResponse` messages. A `read_limit` of zero indicates that
     * there is no limit, and a negative `read_limit` will cause an error.
     *
     * If the stream returns fewer bytes than allowed by the `read_limit` and no
     * error occurred, the stream includes all data from the `read_offset` to the
     * end of the resource.
     *
     * @generated from field: int64 read_limit = 3;
     */
    readLimit: bigint;
};
/**
 * Describes the message google.bytestream.ReadRequest.
 * Use `create(ReadRequestSchema)` to create a new message.
 */
export declare const ReadRequestSchema: GenMessage<ReadRequest>;
/**
 * Response object for ByteStream.Read.
 *
 * @generated from message google.bytestream.ReadResponse
 */
export type ReadResponse = Message<"google.bytestream.ReadResponse"> & {
    /**
     * A portion of the data for the resource. The service **may** leave `data`
     * empty for any given `ReadResponse`. This enables the service to inform the
     * client that the request is still live while it is running an operation to
     * generate more data.
     *
     * @generated from field: bytes data = 10;
     */
    data: Uint8Array;
};
/**
 * Describes the message google.bytestream.ReadResponse.
 * Use `create(ReadResponseSchema)` to create a new message.
 */
export declare const ReadResponseSchema: GenMessage<ReadResponse>;
/**
 * Request object for ByteStream.Write.
 *
 * @generated from message google.bytestream.WriteRequest
 */
export type WriteRequest = Message<"google.bytestream.WriteRequest"> & {
    /**
     * The name of the resource to write. This **must** be set on the first
     * `WriteRequest` of each `Write()` action. If it is set on subsequent calls,
     * it **must** match the value of the first request.
     *
     * @generated from field: string resource_name = 1;
     */
    resourceName: string;
    /**
     * The offset from the beginning of the resource at which the data should be
     * written. It is required on all `WriteRequest`s.
     *
     * In the first `WriteRequest` of a `Write()` action, it indicates
     * the initial offset for the `Write()` call. The value **must** be equal to
     * the `committed_size` that a call to `QueryWriteStatus()` would return.
     *
     * On subsequent calls, this value **must** be set and **must** be equal to
     * the sum of the first `write_offset` and the sizes of all `data` bundles
     * sent previously on this stream.
     *
     * An incorrect value will cause an error.
     *
     * @generated from field: int64 write_offset = 2;
     */
    writeOffset: bigint;
    /**
     * If `true`, this indicates that the write is complete. Sending any
     * `WriteRequest`s subsequent to one in which `finish_write` is `true` will
     * cause an error.
     *
     * @generated from field: bool finish_write = 3;
     */
    finishWrite: boolean;
    /**
     * A portion of the data for the resource. The client **may** leave `data`
     * empty for any given `WriteRequest`. This enables the client to inform the
     * service that the request is still live while it is running an operation to
     * generate more data.
     *
     * @generated from field: bytes data = 10;
     */
    data: Uint8Array;
};
/**
 * Describes the message google.bytestream.WriteRequest.
 * Use `create(WriteRequestSchema)` to create a new message.
 */
export declare const WriteRequestSchema: GenMessage<WriteRequest>;
/**
 * Response object for ByteStream.Write.
 *
 * @generated from message google.bytestream.WriteResponse
 */
export type WriteResponse = Message<"google.bytestream.WriteResponse"> & {
    /**
     * The number of bytes that have been processed for the given resource.
     *
     * @generated from field: int64 committed_size = 1;
     */
    committedSize: bigint;
};
/**
 * Describes the message google.bytestream.WriteResponse.
 * Use `create(WriteResponseSchema)` to create a new message.
 */
export declare const WriteResponseSchema: GenMessage<WriteResponse>;
/**
 * Request object for ByteStream.QueryWriteStatus.
 *
 * @generated from message google.bytestream.QueryWriteStatusRequest
 */
export type QueryWriteStatusRequest = Message<"google.bytestream.QueryWriteStatusRequest"> & {
    /**
     * The name of the resource whose write status is being requested.
     *
     * @generated from field: string resource_name = 1;
     */
    resourceName: string;
};
/**
 * Describes the message google.bytestream.QueryWriteStatusRequest.
 * Use `create(QueryWriteStatusRequestSchema)` to create a new message.
 */
export declare const QueryWriteStatusRequestSchema: GenMessage<QueryWriteStatusRequest>;
/**
 * Response object for ByteStream.QueryWriteStatus.
 *
 * @generated from message google.bytestream.QueryWriteStatusResponse
 */
export type QueryWriteStatusResponse = Message<"google.bytestream.QueryWriteStatusResponse"> & {
    /**
     * The number of bytes that have been processed for the given resource.
     *
     * @generated from field: int64 committed_size = 1;
     */
    committedSize: bigint;
    /**
     * `complete` is `true` only if the client has sent a `WriteRequest` with
     * `finish_write` set to true, and the server has processed that request.
     *
     * @generated from field: bool complete = 2;
     */
    complete: boolean;
};
/**
 * Describes the message google.bytestream.QueryWriteStatusResponse.
 * Use `create(QueryWriteStatusResponseSchema)` to create a new message.
 */
export declare const QueryWriteStatusResponseSchema: GenMessage<QueryWriteStatusResponse>;
/**
 * #### Introduction
 *
 * The Byte Stream API enables a client to read and write a stream of bytes to
 * and from a resource. Resources have names, and these names are supplied in
 * the API calls below to identify the resource that is being read from or
 * written to.
 *
 * All implementations of the Byte Stream API export the interface defined here:
 *
 * * `Read()`: Reads the contents of a resource.
 *
 * * `Write()`: Writes the contents of a resource. The client can call `Write()`
 *   multiple times with the same resource and can check the status of the write
 *   by calling `QueryWriteStatus()`.
 *
 * #### Service parameters and metadata
 *
 * The ByteStream API provides no direct way to access/modify any metadata
 * associated with the resource.
 *
 * #### Errors
 *
 * The errors returned by the service are in the Google canonical error space.
 *
 * @generated from service google.bytestream.ByteStream
 */
export declare const ByteStream: GenService<{
    /**
     * `Read()` is used to retrieve the contents of a resource as a sequence
     * of bytes. The bytes are returned in a sequence of responses, and the
     * responses are delivered as the results of a server-side streaming RPC.
     *
     * @generated from rpc google.bytestream.ByteStream.Read
     */
    read: {
        methodKind: "server_streaming";
        input: typeof ReadRequestSchema;
        output: typeof ReadResponseSchema;
    };
    /**
     * `Write()` is used to send the contents of a resource as a sequence of
     * bytes. The bytes are sent in a sequence of request protos of a client-side
     * streaming RPC.
     *
     * A `Write()` action is resumable. If there is an error or the connection is
     * broken during the `Write()`, the client should check the status of the
     * `Write()` by calling `QueryWriteStatus()` and continue writing from the
     * returned `committed_size`. This may be less than the amount of data the
     * client previously sent.
     *
     * Calling `Write()` on a resource name that was previously written and
     * finalized could cause an error, depending on whether the underlying service
     * allows over-writing of previously written resources.
     *
     * When the client closes the request channel, the service will respond with
     * a `WriteResponse`. The service will not view the resource as `complete`
     * until the client has sent a `WriteRequest` with `finish_write` set to
     * `true`. Sending any requests on a stream after sending a request with
     * `finish_write` set to `true` will cause an error. The client **should**
     * check the `WriteResponse` it receives to determine how much data the
     * service was able to commit and whether the service views the resource as
     * `complete` or not.
     *
     * @generated from rpc google.bytestream.ByteStream.Write
     */
    write: {
        methodKind: "client_streaming";
        input: typeof WriteRequestSchema;
        output: typeof WriteResponseSchema;
    };
    /**
     * `QueryWriteStatus()` is used to find the `committed_size` for a resource
     * that is being written, which can then be used as the `write_offset` for
     * the next `Write()` call.
     *
     * If the resource does not exist (i.e., the resource has been deleted, or the
     * first `Write()` has not yet reached the service), this method returns the
     * error `NOT_FOUND`.
     *
     * The client **may** call `QueryWriteStatus()` at any time to determine how
     * much data has been processed for this resource. This is useful if the
     * client is buffering data and needs to know which data can be safely
     * evicted. For any sequence of `QueryWriteStatus()` calls for a given
     * resource name, the sequence of returned `committed_size` values will be
     * non-decreasing.
     *
     * @generated from rpc google.bytestream.ByteStream.QueryWriteStatus
     */
    queryWriteStatus: {
        methodKind: "unary";
        input: typeof QueryWriteStatusRequestSchema;
        output: typeof QueryWriteStatusResponseSchema;
    };
}>;