import { Template } from './template/template';
import { Cache } from './cache/cache';
import { FS } from './fs/fs';
import { Operators } from './render/operator';
import { Trie } from './util/operator-trie';
export interface LiquidOptions {
    /** A directory or an array of directories from where to resolve layout and include templates, and the filename passed to `.renderFile()`. If it's an array, the files are looked up in the order they occur in the array. Defaults to `["."]` */
    root?: string | string[];
    /** Add a extname (if filepath doesn't include one) before template file lookup. Eg: setting to `".html"` will allow including file by basename. Defaults to `""`. */
    extname?: string;
    /** Whether or not to cache resolved templates. Defaults to `false`. */
    cache?: boolean | number | Cache<Template[]>;
    /** Use Javascript Truthiness. Defaults to `false`. */
    jsTruthy?: boolean;
    /** If set, treat the `filepath` parameter in `{%include filepath %}` and `{%layout filepath%}` as a variable, otherwise as a literal value. Defaults to `true`. */
    dynamicPartials?: boolean;
    /** Whether or not to assert filter existence. If set to `false`, undefined filters will be skipped. Otherwise, undefined filters will cause an exception. Defaults to `false`. */
    strictFilters?: boolean;
    /** Whether or not to assert variable existence.  If set to `false`, undefined variables will be rendered as empty string.  Otherwise, undefined variables will cause an exception. Defaults to `false`. */
    strictVariables?: boolean;
    /** Modifies the behavior of `strictVariables`. If set, a single undefined variable will *not* cause an exception in the context of the `if`/`elsif`/`unless` tag and the `default` filter. Instead, it will evaluate to `false` and `null`, respectively. Irrelevant if `strictVariables` is not set. Defaults to `false`. **/
    lenientIf?: boolean;
    /** Strip blank characters (including ` `, `\t`, and `\r`) from the right of tags (`{% %}`) until `\n` (inclusive). Defaults to `false`. */
    trimTagRight?: boolean;
    /** Similar to `trimTagRight`, whereas the `\n` is exclusive. Defaults to `false`. See Whitespace Control for details. */
    trimTagLeft?: boolean;
    /** Strip blank characters (including ` `, `\t`, and `\r`) from the right of values (`{{ }}`) until `\n` (inclusive). Defaults to `false`. */
    trimOutputRight?: boolean;
    /** Similar to `trimOutputRight`, whereas the `\n` is exclusive. Defaults to `false`. See Whitespace Control for details. */
    trimOutputLeft?: boolean;
    /** The left delimiter for liquid tags. **/
    tagDelimiterLeft?: string;
    /** The right delimiter for liquid tags. **/
    tagDelimiterRight?: string;
    /** The left delimiter for liquid outputs. **/
    outputDelimiterLeft?: string;
    /** The right delimiter for liquid outputs. **/
    outputDelimiterRight?: string;
    /** Whether input strings to date filter preserve the given timezone **/
    preserveTimezones?: boolean;
    /** Whether `trim*Left`/`trim*Right` is greedy. When set to `true`, all consecutive blank characters including `\n` will be trimed regardless of line breaks. Defaults to `true`. */
    greedy?: boolean;
    /** `fs` is used to override the default file-system module with a custom implementation. */
    fs?: FS;
    /** the global environment passed down to all partial templates, i.e. templates included by `include`, `layout` and `render` tags. */
    globals?: object;
    /** Whether or not to keep value type when writing the Output. Defaults to `false`. */
    keepOutputType?: boolean;
    /** An object of operators for conditional statements. Defaults to the regular Liquid operators. */
    operators?: Operators;
}
interface NormalizedOptions extends LiquidOptions {
    root?: string[];
    cache?: Cache<Template[]>;
    operatorsTrie?: Trie;
}
export interface NormalizedFullOptions extends NormalizedOptions {
    root: string[];
    extname: string;
    cache: undefined | Cache<Template[]>;
    jsTruthy: boolean;
    dynamicPartials: boolean;
    fs: FS;
    strictFilters: boolean;
    strictVariables: boolean;
    lenientIf: boolean;
    trimTagRight: boolean;
    trimTagLeft: boolean;
    trimOutputRight: boolean;
    trimOutputLeft: boolean;
    tagDelimiterLeft: string;
    tagDelimiterRight: string;
    outputDelimiterLeft: string;
    outputDelimiterRight: string;
    preserveTimezones: boolean;
    greedy: boolean;
    globals: object;
    keepOutputType: boolean;
    operators: Operators;
    operatorsTrie: Trie;
}
export declare const defaultOptions: NormalizedFullOptions;
export declare function normalize(options?: LiquidOptions): NormalizedOptions;
export declare function applyDefault(options: NormalizedOptions): NormalizedFullOptions;
export declare function normalizeStringArray(value: any): string[];
export {};