declare type SubstFn = (name: string, format?: string) => string;
declare type TemplateFn = (subst: SubstFn) => string | undefined;
declare type ConvertFn = (value: any, format?: string) => string;
export declare function compile(template: string): TemplateFn;
export declare class Formatter {
    _converters: ConvertFn[];
    constructor(converters?: ConvertFn[]);
    convert(value: any, pattern?: string): string;
    format(msg: string, ...args: any[]): string | undefined;
    compile(msg: string): (...args: any[]) => string | undefined;
}
export declare function format(msg: string, ...args: any[]): string | undefined;
export declare function convert(value: any, pattern: string): string | undefined;
export {};