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backend/node_modules/express-validator/lib/chain/validation-chain.d.ts

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+import { Request } from '../base';
+import { ContextBuilder } from '../context-builder';
+import { Sanitizers } from './sanitizers';
+import { Validators } from './validators';
+import { ContextHandler } from './context-handler';
+import { ContextRunner } from './context-runner';
+export interface ValidationChain extends Validators<ValidationChain>, Sanitizers<ValidationChain>, ContextHandler<ValidationChain>, ContextRunner {
+    (req: Request, res: any, next: (error?: any) => void): void;
+    builder: ContextBuilder;
+}
+/**
+ * A copy of `ValidationChain` where methods that would return the chain itself can return any other
+ * value.
+ * Useful for typing functions which accept either standard or custom validation chains.
+ */
+export type ValidationChainLike = {
+    [K in keyof ValidationChain]: ValidationChain[K] extends (...args: infer A) => ValidationChain ? (...args: A) => any : ValidationChain[K];
+};