import { DeepMerged } from '../deepMerge';
/** Resolves a dot-path string (e.g. `"a.b.c"`) to the value type at that path, or `undefined` if absent. */
export type PathValue<Obj, Path extends string> = Path extends `${infer Head}.${infer Rest}` ? Head extends keyof Obj ? PathValue<NonNullable<Obj[Head]>, Rest> : undefined : Path extends keyof Obj ? Obj[Path] : undefined;
/** Narrows a resolved path value to something `deepMerge` accepts; non-objects contribute nothing. */
export type AsSource<T> = T extends object ? T : undefined;
/** Forces the language server to display the merged object literal instead of the alias expression. */
type Simplify<T> = {
    [K in keyof T]: T[K];
} & {};
/** Result of `mergeProps(obj, ...paths)`: the value at each path, deep-merged left-to-right. */
export type MergedProps<Obj, Paths extends readonly string[]> = Simplify<DeepMerged<{
    [I in keyof Paths]: AsSource<PathValue<Obj, Paths[I]>>;
}>>;
export {};