import crypto from 'crypto';
import { FileNode, CategoryNode, PostNode } from '../typings';
import { Path } from '../typings';
export declare const isCategoryNode: (node: FileNode) => node is CategoryNode;
export declare const isPostNode: (node: FileNode) => node is PostNode;
export declare const findCategory: (rootNode: FileNode, categories: string[]) => FileNode;
export declare const getPostsAll: (rootNode: FileNode) => PostNode[];
export declare const getCategoriesAll: (rootNode: FileNode) => FileNode[];
export declare const getTagsAll: (rootNode: FileNode) => string[];
export declare const getPostBy: (propName: keyof PostNode) => (rootNode: FileNode, value: string) => PostNode | undefined;
export declare const getPostBySlug: (rootNode: FileNode, value: string) => PostNode | undefined;
export declare const getPostByPath: (rootNode: FileNode, value: string) => PostNode | undefined;
export declare const getPostsByCategories: (rootNode: FileNode, categories: string[]) => PostNode[];
export declare const getPostsByTags: (rootNode: FileNode, tags: string[]) => PostNode[];
export declare const getPostsByPage: (postList: PostNode[], page: number, perPage?: number) => PostNode[];
export declare const getTotalPage: (total: number, perPage: number) => number;
export declare const isPageSlug: (slug: string[]) => boolean;
export declare const trimPagePath: (slug: string[]) => string[];
export declare const getPageNum: (slug: string[]) => number;
export declare const pagePathFilter: (pathList: Path[], slug: string) => string[][];
export declare const makeHash: (content: string, encoding?: crypto.HexBase64Latin1Encoding) => string;
export declare const makeSetLike: <T>(arr: T[]) => T[];
export declare const isDirPath: (path: string) => boolean;
export declare const isSubDir: (parent: string, child: string, includeSelf?: boolean) => boolean;
export declare const debounce: (fn: (...args: any) => any, time?: number) => (...args: any) => void;
export declare const fillToOwnProperty: <R, T>(obj: R, value: T) => R;
export declare const normalizeFilePath: (postDir: string, filePath: string) => string;
export declare const sortRule: (a: PostNode, b: PostNode) => number;