import { type Parameter, type TypeDesc } from '../../../model/malloy_types';
import { SpaceEntry } from './space-entry';
import type { HasParameter } from '../parameters/has-parameter';
export declare abstract class SpaceParam extends SpaceEntry {
    abstract parameter(): Parameter;
    readonly refType = "parameter";
}
export declare class AbstractParameter extends SpaceParam {
    readonly astParam: HasParameter;
    constructor(astParam: HasParameter);
    _parameter: Parameter | undefined;
    parameter(): Parameter;
    typeDesc(): TypeDesc;
}
export declare class DefinedParameter extends SpaceParam {
    readonly paramDef: Parameter;
    constructor(paramDef: Parameter);
    parameter(): Parameter;
    typeDesc(): TypeDesc;
}