headers property
HTTP headers defined in webpush protocol.
Refer to Webpush protocol for supported headers, e.g. "TTL": "15".
Implementation
core.Map<core.String, core.String>? headers;
HTTP headers defined in webpush protocol.
Refer to Webpush protocol for supported headers, e.g. "TTL": "15".
core.Map<core.String, core.String>? headers;