WordPress/wp-includes/theme-i18n.json

{
	"title": "Style variation name",
	"description": "Style variation description",
	"settings": {
		"typography": {
			"fontSizes": [
				{
					"name": "Font size name"
				}
			],
			"fontFamilies": [
				{
					"name": "Font family name"
				}
			]
		},
		"color": {
			"palette": [
				{
					"name": "Color name"
				}
			],
			"gradients": [
				{
					"name": "Gradient name"
				}
			],
			"duotone": [
				{
					"name": "Duotone name"
				}
			]
		},
		"spacing": {
			"spacingSizes": [
				{
					"name": "Space size name"
				}
			]
		},
		"dimensions": {
			"aspectRatios": [
				{
					"name": "Aspect ratio name"
				}
			]
		},
		"shadow": {
			"presets": [
				{
					"name": "Shadow name"
				}
			]
		},
		"blocks": {
			"*": {
				"typography": {
					"fontSizes": [
						{
							"name": "Font size name"
						}
					],
					"fontFamilies": [
						{
							"name": "Font family name"
						}
					]
				},
				"color": {
					"palette": [
						{
							"name": "Color name"
						}
					],
					"gradients": [
						{
							"name": "Gradient name"
						}
					],
					"duotone": [
						{
							"name": "Duotone name"
						}
					]
				},
				"dimensions": {
					"aspectRatios": [
						{
							"name": "Aspect ratio name"
						}
					]
				},
				"spacing": {
					"spacingSizes": [
						{
							"name": "Space size name"
						}
					]
				}
			}
		}
	},
	"customTemplates": [
		{
			"title": "Custom template name"
		}
	],
	"templateParts": [
		{
			"title": "Template part name"
		}
	]
}