register_post_type() | Function | WordPress Developer Resources

[cap] => stdClass Object
(
	// Meta capabilities

	[edit_post]		 => "edit_{$capability_type}"
	[read_post]		 => "read_{$capability_type}"
	[delete_post]		 => "delete_{$capability_type}"

	// Primitive capabilities used outside of map_meta_cap():

	[edit_posts]		 => "edit_{$capability_type}s"
	[edit_others_posts]	 => "edit_others_{$capability_type}s"
	[publish_posts]		 => "publish_{$capability_type}s"
	[read_private_posts]	 => "read_private_{$capability_type}s"

	// Primitive capabilities used within map_meta_cap():

	[read]                   => "read",
	[delete_posts]           => "delete_{$capability_type}s"
	[delete_private_posts]   => "delete_private_{$capability_type}s"
	[delete_published_posts] => "delete_published_{$capability_type}s"
	[delete_others_posts]    => "delete_others_{$capability_type}s"
	[edit_private_posts]     => "edit_private_{$capability_type}s"
	[edit_published_posts]   => "edit_published_{$capability_type}s"
	[create_posts]           => "edit_{$capability_type}s"
)