import type { Dialect } from '../../../dialect/dialect';
import type { StructDef, AccessModifierLabel } from '../../../model/malloy_types';
import type { FieldName, FieldSpace, QueryFieldSpace } from '../types/field-space';
import type { LookupResult } from '../types/lookup-result';
import type { SpaceEntry } from '../types/space-entry';
export declare class PassthroughSpace implements FieldSpace {
    readonly realFS: FieldSpace;
    readonly type = "fieldSpace";
    constructor(realFS: FieldSpace);
    structDef(): StructDef;
    emptyStructDef(): StructDef;
    entry(name: string): SpaceEntry | undefined;
    lookup(symbol: FieldName[]): LookupResult;
    entries(): [string, SpaceEntry][];
    dialectName(): string;
    dialectObj(): Dialect | undefined;
    isQueryFieldSpace(): this is QueryFieldSpace;
    outputSpace(): import("./query-spaces").QueryOperationSpace;
    inputSpace(): import("../types/field-space").SourceFieldSpace;
    accessProtectionLevel(): AccessModifierLabel;
    connectionName(): string;
}