export declare const protobufPackage = "io.channel.datasource.v1";
export declare const TableType: {
    readonly TABLE_TYPE_UNSPECIFIED: "TABLE_TYPE_UNSPECIFIED";
    readonly TABLE_TYPE_TABLE: "TABLE_TYPE_TABLE";
    readonly TABLE_TYPE_VIEW: "TABLE_TYPE_VIEW";
    readonly TABLE_TYPE_MATERIALIZED_VIEW: "TABLE_TYPE_MATERIALIZED_VIEW";
    readonly TABLE_TYPE_EXTERNAL: "TABLE_TYPE_EXTERNAL";
    readonly UNRECOGNIZED: "UNRECOGNIZED";
};
export type TableType = typeof TableType[keyof typeof TableType];
export declare namespace TableType {
    type TABLE_TYPE_UNSPECIFIED = typeof TableType.TABLE_TYPE_UNSPECIFIED;
    type TABLE_TYPE_TABLE = typeof TableType.TABLE_TYPE_TABLE;
    type TABLE_TYPE_VIEW = typeof TableType.TABLE_TYPE_VIEW;
    type TABLE_TYPE_MATERIALIZED_VIEW = typeof TableType.TABLE_TYPE_MATERIALIZED_VIEW;
    type TABLE_TYPE_EXTERNAL = typeof TableType.TABLE_TYPE_EXTERNAL;
    type UNRECOGNIZED = typeof TableType.UNRECOGNIZED;
}
export declare const DataSourceErrorCode: {
    readonly DATA_SOURCE_ERROR_CODE_UNSPECIFIED: "DATA_SOURCE_ERROR_CODE_UNSPECIFIED";
    readonly DATA_SOURCE_ERROR_CODE_UNAVAILABLE: "DATA_SOURCE_ERROR_CODE_UNAVAILABLE";
    readonly DATA_SOURCE_ERROR_CODE_UNAUTHENTICATED: "DATA_SOURCE_ERROR_CODE_UNAUTHENTICATED";
    readonly DATA_SOURCE_ERROR_CODE_PERMISSION_DENIED: "DATA_SOURCE_ERROR_CODE_PERMISSION_DENIED";
    readonly DATA_SOURCE_ERROR_CODE_SOURCE_NOT_FOUND: "DATA_SOURCE_ERROR_CODE_SOURCE_NOT_FOUND";
    readonly DATA_SOURCE_ERROR_CODE_QUERY_INVALID: "DATA_SOURCE_ERROR_CODE_QUERY_INVALID";
    readonly DATA_SOURCE_ERROR_CODE_QUERY_FAILED: "DATA_SOURCE_ERROR_CODE_QUERY_FAILED";
    readonly DATA_SOURCE_ERROR_CODE_LIMIT_EXCEEDED: "DATA_SOURCE_ERROR_CODE_LIMIT_EXCEEDED";
    readonly DATA_SOURCE_ERROR_CODE_TIMEOUT: "DATA_SOURCE_ERROR_CODE_TIMEOUT";
    readonly DATA_SOURCE_ERROR_CODE_UPSTREAM_AUTH_FAILED: "DATA_SOURCE_ERROR_CODE_UPSTREAM_AUTH_FAILED";
    readonly DATA_SOURCE_ERROR_CODE_INTERNAL: "DATA_SOURCE_ERROR_CODE_INTERNAL";
    readonly DATA_SOURCE_ERROR_CODE_TABLE_NOT_FOUND: "DATA_SOURCE_ERROR_CODE_TABLE_NOT_FOUND";
    readonly DATA_SOURCE_ERROR_CODE_COLUMN_NOT_FOUND: "DATA_SOURCE_ERROR_CODE_COLUMN_NOT_FOUND";
    readonly DATA_SOURCE_ERROR_CODE_CANCELLED: "DATA_SOURCE_ERROR_CODE_CANCELLED";
    readonly DATA_SOURCE_ERROR_CODE_RESOURCE_EXHAUSTED: "DATA_SOURCE_ERROR_CODE_RESOURCE_EXHAUSTED";
    readonly DATA_SOURCE_ERROR_CODE_INVALID_ARGUMENT: "DATA_SOURCE_ERROR_CODE_INVALID_ARGUMENT";
    readonly DATA_SOURCE_ERROR_CODE_EXTERNAL_ERROR: "DATA_SOURCE_ERROR_CODE_EXTERNAL_ERROR";
    readonly UNRECOGNIZED: "UNRECOGNIZED";
};
export type DataSourceErrorCode = typeof DataSourceErrorCode[keyof typeof DataSourceErrorCode];
export declare namespace DataSourceErrorCode {
    type DATA_SOURCE_ERROR_CODE_UNSPECIFIED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_UNSPECIFIED;
    type DATA_SOURCE_ERROR_CODE_UNAVAILABLE = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_UNAVAILABLE;
    type DATA_SOURCE_ERROR_CODE_UNAUTHENTICATED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_UNAUTHENTICATED;
    type DATA_SOURCE_ERROR_CODE_PERMISSION_DENIED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_PERMISSION_DENIED;
    type DATA_SOURCE_ERROR_CODE_SOURCE_NOT_FOUND = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_SOURCE_NOT_FOUND;
    type DATA_SOURCE_ERROR_CODE_QUERY_INVALID = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_QUERY_INVALID;
    type DATA_SOURCE_ERROR_CODE_QUERY_FAILED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_QUERY_FAILED;
    type DATA_SOURCE_ERROR_CODE_LIMIT_EXCEEDED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_LIMIT_EXCEEDED;
    type DATA_SOURCE_ERROR_CODE_TIMEOUT = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_TIMEOUT;
    type DATA_SOURCE_ERROR_CODE_UPSTREAM_AUTH_FAILED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_UPSTREAM_AUTH_FAILED;
    type DATA_SOURCE_ERROR_CODE_INTERNAL = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_INTERNAL;
    type DATA_SOURCE_ERROR_CODE_TABLE_NOT_FOUND = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_TABLE_NOT_FOUND;
    type DATA_SOURCE_ERROR_CODE_COLUMN_NOT_FOUND = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_COLUMN_NOT_FOUND;
    type DATA_SOURCE_ERROR_CODE_CANCELLED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_CANCELLED;
    type DATA_SOURCE_ERROR_CODE_RESOURCE_EXHAUSTED = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_RESOURCE_EXHAUSTED;
    type DATA_SOURCE_ERROR_CODE_INVALID_ARGUMENT = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_INVALID_ARGUMENT;
    type DATA_SOURCE_ERROR_CODE_EXTERNAL_ERROR = typeof DataSourceErrorCode.DATA_SOURCE_ERROR_CODE_EXTERNAL_ERROR;
    type UNRECOGNIZED = typeof DataSourceErrorCode.UNRECOGNIZED;
}
export interface SessionContext {
    account?: string | undefined;
    channelId?: string | undefined;
    kernelToken?: string | undefined;
    teamMemberId?: string | undefined;
    datasourceToken?: string | undefined;
}
export interface Table {
    name?: string | undefined;
    description?: string | undefined;
    estimatedRowCount?: string | undefined;
    updatedAt?: string | undefined;
    tableType?: TableType | undefined;
}
export interface Column {
    name?: string | undefined;
    type?: string | undefined;
    nullable?: boolean | undefined;
    description?: string | undefined;
    partitionKey?: boolean | undefined;
    precision?: number | undefined;
    scale?: number | undefined;
}
export interface TableDefinition {
    table?: Table | undefined;
    columns?: Column[] | undefined;
    primaryKey?: string[] | undefined;
}
export interface ListTablesRequest {
    session?: SessionContext | undefined;
    sourceId?: string | undefined;
    tableNameFilterPattern?: string | undefined;
}
export interface ListTablesResponse {
    tables?: Table[] | undefined;
}
export interface DescribeTableRequest {
    session?: SessionContext | undefined;
    sourceId?: string | undefined;
    table?: string | undefined;
}
export interface SearchTablesRequest {
    session?: SessionContext | undefined;
    sourceId?: string | undefined;
    queries?: string[] | undefined;
    limit?: number | undefined;
}
export interface SearchTablesResponse {
    tables?: Table[] | undefined;
}
export interface ExecuteQueryRequest {
    session?: SessionContext | undefined;
    sourceId?: string | undefined;
    query?: string | undefined;
    rowLimit?: string | undefined;
    byteLimit?: string | undefined;
    timeoutMs?: string | undefined;
}
export interface ArrowIpcMessage {
    dataHeader?: Uint8Array | undefined;
    dataBody?: Uint8Array | undefined;
}
export interface QueryChunk {
    arrow?: ArrowIpcMessage | undefined;
    result?: QueryResult | undefined;
    error?: DataSourceError | undefined;
}
export interface QueryResult {
    rowCount?: string | undefined;
    limitExceeded?: boolean | undefined;
    executionMs?: string | undefined;
}
export interface DataSourceError {
    code?: DataSourceErrorCode | undefined;
    message?: string | undefined;
    retryable?: boolean | undefined;
    upstream?: UpstreamError | undefined;
}
export interface UpstreamError {
    engine?: string | undefined;
    code?: string | undefined;
    message?: string | undefined;
}
//# sourceMappingURL=datasource.d.ts.map