// @flow declare class Class0 { static $call(message?: string): Class0; static captureStackTrace(target: Object, constructor?: Function): void; static prepareStackTrace: (err: Class0, stack: Array) => mixed; static stackTraceLimit: number; columnNumber?: number; description?: string; fileName?: string; lineNumber?: number; message: string; name: string; number?: number; stack: string; constructor(message?: mixed): void; toString(): string; } declare export function createStateValidationError(message: string): Class0; declare export default {STATE_VALIDATION_ERROR: string};