import type { Dialect } from '../../../dialect/dialect';
import type { AccessModifierLabel, SourceDef, StructDef } from '../../../model/malloy_types';
import type { QueryOperationSpace } from '../field-space/query-spaces';
import type { LookupResult } from './lookup-result';
import { MalloyElement } from './malloy-element';
import type { SpaceEntry } from './space-entry';
/**
 * A FieldSpace is a hierarchy of namespaces, where the leaf nodes
 * are fields. A FieldSpace can lookup fields, and generate a StructDef
 */
export interface FieldSpace {
    type: 'fieldSpace';
    structDef(): StructDef;
    emptyStructDef(): StructDef;
    lookup(symbol: FieldName[], accessLevel?: AccessModifierLabel | undefined): LookupResult;
    entry(symbol: string): SpaceEntry | undefined;
    entries(): [string, SpaceEntry][];
    dialectObj(): Dialect | undefined;
    dialectName(): string;
    connectionName(): string;
    isQueryFieldSpace(): this is QueryFieldSpace;
    accessProtectionLevel(): AccessModifierLabel;
}
export interface SourceFieldSpace extends FieldSpace {
    structDef(): SourceDef;
    emptyStructDef(): SourceDef;
}
export interface QueryFieldSpace extends SourceFieldSpace {
    outputSpace(): QueryOperationSpace;
    inputSpace(): SourceFieldSpace;
    isQueryOutputSpace(): boolean;
}
export declare class FieldName extends MalloyElement {
    readonly name: string;
    elementType: string;
    constructor(name: string);
    get refString(): string;
    toString(): string;
    getField(fs: FieldSpace): LookupResult;
}