Creates a new GdkContentFormats from the given @builder.
The given GdkContentFormatsBuilder is reset once this function returns; you cannot call this function multiple times on the same @builder instance.
This function is intended primarily for bindings. C code should use [method@Gdk.ContentFormatsBuilder.free_to_formats].
the newly created GdkContentFormats with all the formats added to @builder
See Implementation
Creates a new GdkContentFormats from the given @builder.
The given GdkContentFormatsBuilder is reset once this function returns; you cannot call this function multiple times on the same @builder instance.
This function is intended primarily for bindings. C code should use [method@Gdk.ContentFormatsBuilder.free_to_formats].