import type { IfExtends } from "hry-types/src/Any/IfExtends";
import type { IsPureObject } from "hry-types/src/Any/IsPureObject";
import type { NoInfer } from "hry-types/src/Generic/NoInfer";
import type { EmptyObject } from "hry-types/src/Misc/EmptyObject";
type getFirstKeys<T extends string> = T extends `${infer F}.${string}` ? F : never;
type getLastKeys<T extends string> = T extends `${string}.${infer L}` ? L : never;
type AddFieldsOfObject<TWatchData extends object, _WatchKeys extends keyof TWatchData, secondKeys extends string = {
    [k in _WatchKeys]: IsPureObject<TWatchData[k]> extends true ? `${k & string}.${(keyof TWatchData[k]) & string}` | `${k & string}.**` : never;
}[_WatchKeys]> = {
    [k in secondKeys]?: (newValue: IfExtends<getLastKeys<k>, "**", Exclude<TWatchData[getFirstKeys<k>], null>, NonNullable<(Exclude<TWatchData[getFirstKeys<k>], null>)[getLastKeys<k>]>>, oldValue: IfExtends<getLastKeys<k>, "**", TWatchData[getFirstKeys<k>], (Exclude<TWatchData[getFirstKeys<k>], null>)[getLastKeys<k>]>) => void | Promise<void>;
};
export type WatchOption<TWatchData extends object, _WatchKeys extends keyof TWatchData = keyof TWatchData> = {
    watch?: IfExtends<{}, TWatchData, EmptyObject, NoInfer<{
        [k in _WatchKeys]?: (newValue: TWatchData[k], oldValue: TWatchData[k]) => void | Promise<void>;
    } & {
        [k in _WatchKeys as never]: unknown;
    } & AddFieldsOfObject<TWatchData, _WatchKeys>>>;
};
export {};