Trait GuzzleHttp\Psr7\MessageTrait

Trait implementing functionality common to requests and responses.

GuzzleHttp\Psr7\MessageTrait
- GuzzleHttp\Psr7\Request implements RequestInterface uses MessageTrait

Methods
`public`	`getProtocolVersion(): string`	#
`public`	`withProtocolVersion($version): MessageInterface`	#
`public`	`getHeaders(): array`	#
`public`	`hasHeader($header): bool`	#
`public`	`getHeader($header): array`	#
`public`	`getHeaderLine($header): string`	#
`public`	`withHeader($header, $value): MessageInterface`	#
`public`	`withAddedHeader($header, $value): MessageInterface`	#
`public`	`withoutHeader($header): MessageInterface`	#
`public`	`getBody(): StreamInterface`	#
`public`	`withBody(StreamInterface $body): MessageInterface`	#