WordPress/wp-includes/blocks/post-author-biography/block.json

{
	"$schema": "https://schemas.wp.org/trunk/block.json",
	"apiVersion": 3,
	"name": "core/post-author-biography",
	"title": "Author Biography",
	"category": "theme",
	"description": "The author biography.",
	"textdomain": "default",
	"attributes": {
		"textAlign": {
			"type": "string"
		}
	},
	"usesContext": [ "postType", "postId" ],
	"supports": {
		"spacing": {
			"margin": true,
			"padding": true
		},
		"color": {
			"gradients": true,
			"link": true,
			"__experimentalDefaultControls": {
				"background": true,
				"text": true
			}
		},
		"typography": {
			"fontSize": true,
			"lineHeight": true,
			"__experimentalFontFamily": true,
			"__experimentalFontWeight": true,
			"__experimentalFontStyle": true,
			"__experimentalTextTransform": true,
			"__experimentalTextDecoration": true,
			"__experimentalLetterSpacing": true,
			"__experimentalDefaultControls": {
				"fontSize": true
			}
		}
	}
}