import { BasicBuilder } from './BasicBuilder';
import { NamedType } from './NamedType';
import { TypeBuilder } from './TypeBuilder';
import { Writer } from './Writer';
export declare class GenericParameter implements BasicBuilder {
    readonly name: string;
    private extendedType?;
    private defaultType?;
    constructor(name: string);
    extends(type: TypeBuilder): this;
    default(type: TypeBuilder): this;
    toArgument(): NamedType;
    write(writer: Writer): void;
}
export declare function genericParameter(name: string): GenericParameter;