import type { InvokedStructRef, SourceDef } from '../../../model/malloy_types';
import type { NeedCompileSQL, SQLSourceRequest } from '../../translate-response';
import { Source } from './source';
import type { SQLString } from '../sql-elements/sql-string';
import type { ModelEntryReference, Document } from '../types/malloy-element';
export declare class SQLSource extends Source {
    readonly connectionName: ModelEntryReference;
    readonly select: SQLString;
    elementType: string;
    requestBlock?: SQLSourceRequest;
    private connectionNameInvalid;
    constructor(connectionName: ModelEntryReference, select: SQLString);
    sqlSourceRequest(doc: Document): SQLSourceRequest;
    structRef(): InvokedStructRef;
    validateConnectionName(): boolean;
    needs(doc: Document): NeedCompileSQL | undefined;
    getSourceDef(): SourceDef;
}