import { Ast } from 'thingtalk';
import * as C from '../ast_manip';
import ThingpediaLoader from '../load-thingpedia';
import { ContextInfo } from '../state_manip';
export declare function initialRequest(loader: ThingpediaLoader, stmt: Ast.Expression): Ast.DialogueState | null;
export declare function startNewRequest(loader: ThingpediaLoader, ctx: ContextInfo, expr: Ast.Expression): Ast.DialogueState | null;
export declare function addInitialDontCare(expr: Ast.Expression, dontcare: C.FilterSlot): Ast.Expression | null;