199 lines
4.9 KiB
TypeScript
199 lines
4.9 KiB
TypeScript
/**
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* **This module is experimental**
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*
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* Experimental features are published in order to get early feedback from the community, see these tracking
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* [issues](https://github.com/gcanti/io-ts/issues?q=label%3Av2.2+) for further discussions and enhancements.
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*
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* A feature tagged as _Experimental_ is in a high state of flux, you're at risk of it changing without notice.
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*
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* @since 2.2.0
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*/
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import { Refinement } from 'fp-ts/lib/function'
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import * as S from './Schemable'
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/**
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* @category model
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* @since 2.2.8
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*/
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export interface Guard<I, A extends I> {
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is: (i: I) => i is A
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}
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/**
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* @since 2.2.2
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*/
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export declare type TypeOf<G> = G extends Guard<any, infer A> ? A : never
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/**
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* @since 2.2.8
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*/
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export declare type InputOf<G> = G extends Guard<infer I, any> ? I : never
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/**
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* @category constructors
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* @since 2.2.0
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*/
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export declare const literal: <A extends readonly [L, ...L[]], L extends S.Literal = S.Literal>(
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...values: A
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) => Guard<unknown, A[number]>
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/**
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* @category primitives
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* @since 2.2.0
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*/
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export declare const string: Guard<unknown, string>
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/**
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* Note: `NaN` is excluded.
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*
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* @category primitives
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* @since 2.2.0
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*/
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export declare const number: Guard<unknown, number>
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/**
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* @category primitives
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* @since 2.2.0
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*/
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export declare const boolean: Guard<unknown, boolean>
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/**
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* @category primitives
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* @since 2.2.0
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*/
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export declare const UnknownArray: Guard<unknown, Array<unknown>>
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/**
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* @category primitives
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* @since 2.2.0
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*/
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export declare const UnknownRecord: Guard<unknown, Record<string, unknown>>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const refine: <I, A extends I, B extends A>(
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refinement: Refinement<A, B>
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) => (from: Guard<I, A>) => Guard<I, B>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const nullable: <I, A extends I>(or: Guard<I, A>) => Guard<I | null, A | null>
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/**
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* @category combinators
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* @since 2.2.15
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*/
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export declare const struct: <A>(
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properties: { [K in keyof A]: Guard<unknown, A[K]> }
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) => Guard<unknown, { [K_1 in keyof A]: A[K_1] }>
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/**
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* Use `struct` instead.
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*
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* @category combinators
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* @since 2.2.0
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* @deprecated
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*/
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export declare const type: <A>(
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properties: { [K in keyof A]: Guard<unknown, A[K]> }
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) => Guard<unknown, { [K_1 in keyof A]: A[K_1] }>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const partial: <A>(
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properties: { [K in keyof A]: Guard<unknown, A[K]> }
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) => Guard<unknown, Partial<{ [K_1 in keyof A]: A[K_1] }>>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const array: <A>(item: Guard<unknown, A>) => Guard<unknown, A[]>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const record: <A>(codomain: Guard<unknown, A>) => Guard<unknown, Record<string, A>>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const tuple: <A extends readonly unknown[]>(
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...components: { [K in keyof A]: Guard<unknown, A[K]> }
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) => Guard<unknown, A>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const intersect: <B>(right: Guard<unknown, B>) => <A>(left: Guard<unknown, A>) => Guard<unknown, A & B>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const union: <A extends readonly [unknown, ...unknown[]]>(
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...members: { [K in keyof A]: Guard<unknown, A[K]> }
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) => Guard<unknown, A[number]>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const sum: <T extends string>(
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tag: T
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) => <A>(members: { [K in keyof A]: Guard<unknown, A[K] & Record<T, K>> }) => Guard<unknown, A[keyof A]>
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/**
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* @category combinators
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* @since 2.2.0
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*/
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export declare const lazy: <A>(f: () => Guard<unknown, A>) => Guard<unknown, A>
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/**
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* @category combinators
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* @since 2.2.15
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*/
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export declare const readonly: <I, A extends I>(guard: Guard<I, A>) => Guard<I, Readonly<A>>
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/**
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* @category combinators
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* @since 2.2.8
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*/
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export declare const alt: <I, A extends I>(that: () => Guard<I, A>) => (me: Guard<I, A>) => Guard<I, A>
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/**
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* @category combinators
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* @since 2.2.8
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*/
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export declare const zero: <I, A extends I>() => Guard<I, A>
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/**
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* @category combinators
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* @since 2.2.8
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*/
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export declare const compose: <I, A extends I, B extends A>(to: Guard<A, B>) => (from: Guard<I, A>) => Guard<I, B>
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/**
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* @category combinators
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* @since 2.2.8
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*/
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export declare const id: <A>() => Guard<A, A>
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/**
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* @category instances
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* @since 2.2.0
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*/
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export declare const URI = 'io-ts/Guard'
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/**
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* @category instances
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* @since 2.2.0
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*/
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export declare type URI = typeof URI
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declare module 'fp-ts/lib/HKT' {
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interface URItoKind<A> {
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readonly [URI]: Guard<unknown, A>
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}
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}
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/**
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* @category instances
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* @since 2.2.8
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*/
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export declare const Schemable: S.Schemable1<URI>
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/**
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* @category instances
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* @since 2.2.8
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*/
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export declare const WithUnknownContainers: S.WithUnknownContainers1<URI>
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/**
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* @category instances
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* @since 2.2.8
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*/
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export declare const WithUnion: S.WithUnion1<URI>
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/**
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* @category instances
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* @since 2.2.8
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*/
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export declare const WithRefine: S.WithRefine1<URI>
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