/**
 * Confirm whether there are valid mustache tags remaining in the template string.
 * @param template
 * @returns
 */
declare function hasValidMustacheTags(template: string): boolean;
declare function hasDuplicates(arr: any[]): boolean;

type MustacheIterationOptions = {
    maxPasses?: number;
    detectCycles?: boolean;
};
/**
 * Replaces all mustache tokens recursively until there are none left that can be replaced.
 * @param template
 * @param param1
 * @returns
 */
declare function replaceAllMustaches(template: string, { maxPasses, detectCycles }?: MustacheIterationOptions): string;

type MustacheValue = string | string[] | Function | Object;
/**
 * A key-value pair for a variable name and its value.
 */
declare class Variable {
    key: string;
    value: MustacheValue;
    constructor(key: string, value: MustacheValue);
}

/**
 * A generic class to create a view (the context for a Mustache.render() call). This class's _collection property holds all the names in any subsequently created variable registry via the allKeys getter.
 * @todo Prevent duplicates
 */
declare class VariableView {
    private static _collection;
    static get all(): Record<string, MustacheValue>;
    static get allNames(): string[];
    [key: string]: MustacheValue;
    constructor(...variableValuePairs: Variable[]);
    add(...variableValuePair: Variable[]): void;
    replace(variableKey: string, value: string | Function): void;
}

export { type MustacheValue, Variable, VariableView, hasDuplicates, hasValidMustacheTags, replaceAllMustaches };