pub unsafe extern "C" fn gst_validate_replace_variables_in_string(
incom: gpointer,
local_vars: *mut GstStructure,
in_string: *const c_char,
flags: GstValidateStructureResolveVariablesFlags,
) -> *mut c_char
pub unsafe extern "C" fn gst_validate_replace_variables_in_string(
incom: gpointer,
local_vars: *mut GstStructure,
in_string: *const c_char,
flags: GstValidateStructureResolveVariablesFlags,
) -> *mut c_char