declare module 'gulp-rtlcss' {
	import { Transform } from 'stream'
	import { ConfigOptions } from 'rtlcss'
	export default function (config?: ConfigOptions): Transform
}

declare module 'gulp-remove-sourcemaps' {
	import { Transform } from 'stream'
	export default function (): Transform
}

declare module 'postcss-easy-import' {
	import { Plugin } from 'postcss'
	export default function (opts: {
		prefix: string | boolean
		extensions: string | string[]
	}): Plugin
}

declare module 'postcss-hexrgba' {
	import { Plugin } from 'postcss'
	export default function (): Plugin
}

declare module 'gulp-phpcs' {
	import { Transform } from 'stream'
	const phpcs: {
		(options?: {
			bin?: string
			severity?: number
			warningSeverity?: number
			errorSeverity?: number
			standard?: string
			encoding?: string
			report?: string
			showSniffCode?: boolean
			sniffs?: string[]
			ignore?: string[]
			cwd?: string
			colors?: boolean
		}): Transform
		reporter(name: 'fail' | 'log' | 'file', options?: {
			failOnFirst?: boolean
			path?: string
		}): Transform
	}
	export default phpcs
}