/// <amd-module name="@dataform/api/dbadapters/redshift" />
import { Credentials } from "@dataform/api/commands/credentials";
import { IDbAdapter } from "@dataform/api/dbadapters/index";
import { dataform } from "@dataform/protos";
export declare class RedshiftDbAdapter implements IDbAdapter {
    private queryExecutor;
    private sshTunnel?;
    static create(credentials: Credentials): Promise<RedshiftDbAdapter>;
    private constructor();
    execute(statement: string, options?: {
        maxResults?: number;
        includeQueryInError?: boolean;
    }): Promise<{
        rows: any[];
        metadata: {};
    }>;
    evaluate(statement: string): Promise<dataform.QueryEvaluationResponse>;
    tables(): Promise<dataform.ITarget[]>;
    table(target: dataform.ITarget): Promise<dataform.ITableMetadata>;
    preview(target: dataform.ITarget, limitRows?: number): Promise<any[]>;
    prepareSchema(database: string, schema: string): Promise<void>;
    close(): Promise<void>;
    prepareStateMetadataTable(): Promise<void>;
    persistedStateMetadata(): Promise<dataform.IPersistedTableMetadata[]>;
    persistStateMetadata(actions: dataform.IExecutionAction[]): Promise<void>;
    setMetadata(action: dataform.IExecutionAction): Promise<void>;
    deleteStateMetadata(actions: dataform.IExecutionAction[]): Promise<void>;
    private hasSpectrumTables;
}