// Package: com.lightningkite.lightningdb
// Generated by Khrysalis - this file will be overwritten.
import { ReifiedType, setUpDataClass } from '@lightningkite/khrysalis-runtime'

//! Declares com.lightningkite.lightningdb.EntryChange
export class EntryChange<T extends any> {
    public constructor(public readonly old: (T | null) = null, public readonly _new: (T | null) = null) {
    }
    public static properties = ["old", "_new"]
    public static propertiesJsonOverride = {_new: "new"}
    public static propertyTypes(T: ReifiedType) { return {old: T, _new: T} }
    copy: (values: Partial<EntryChange<T>>) => this;
    equals: (other: any) => boolean;
    hashCode: () => number;
    
}
setUpDataClass(EntryChange)

//! Declares com.lightningkite.lightningdb.map>com.lightningkite.lightningdb.EntryChangecom.lightningkite.lightningdb.map.T
export function xEntryChangeMap<T extends any, B extends any>(this_: EntryChange<T>, mapper: ((a: T) => B)): EntryChange<B> {
    return new EntryChange<B>(((): (B | null) => {
                const temp0 = this_.old;
                if (temp0 === null || temp0 === undefined) { return null }
                return (mapper)(temp0)
        })(), ((): (B | null) => {
            const temp1 = this_._new;
            if (temp1 === null || temp1 === undefined) { return null }
            return (mapper)(temp1)
    })());
}