Astra_Update_Headings_Font::get_input_schema()

	public function get_input_schema() {
		return array(
			'type'       => 'object',
			'properties' => array(
				'font_family'    => array(
					'type'        => 'string',
					'description' => 'Font family name for all headings',
				),
				'font_weight'    => array(
					'type'        => 'string',
					'description' => 'Font weight for all headings',
				),
				'line_height'    => array(
					'type'        => 'string',
					'description' => 'Line height value for headings',
				),
				'text_transform' => array(
					'type'        => 'string',
					'description' => 'Text transform for headings',
					'enum'        => array( 'uppercase', 'lowercase', 'capitalize', 'none', '' ),
				),
				'letter_spacing' => array(
					'type'        => 'string',
					'description' => 'Letter spacing value for headings',
				),
			),
		);
	}