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1import { ParamData } from '@nestjs/common';
2import { ContextType, Controller, PipeTransform } from '@nestjs/common/interfaces';
3import { ExecutionContextHost } from './execution-context-host';
4export interface ParamProperties<T = any, IExtractor extends Function = any> {
5 index: number;
6 type: T | string;
7 data: ParamData;
8 pipes: PipeTransform[];
9 extractValue: IExtractor;
10}
11export declare class ContextUtils {
12 mapParamType(key: string): string;
13 reflectCallbackParamtypes(instance: Controller, methodName: string): any[];
14 reflectCallbackMetadata<T = any>(instance: Controller, methodName: string, metadataKey: string): T;
15 reflectPassthrough(instance: Controller, methodName: string): boolean;
16 getArgumentsLength<T>(keys: string[], metadata: T): number;
17 createNullArray(length: number): any[];
18 mergeParamsMetatypes(paramsProperties: ParamProperties[], paramtypes: any[]): (ParamProperties & {
19 metatype?: any;
20 })[];
21 getCustomFactory(factory: (...args: unknown[]) => void, data: unknown, contextFactory: (args: unknown[]) => ExecutionContextHost): (...args: unknown[]) => unknown;
22 getContextFactory<TContext extends string = ContextType>(contextType: TContext, instance?: object, callback?: Function): (args: unknown[]) => ExecutionContextHost;
23}