Trailing:
declaration instructionpub const OpaqueDecl = struct {
src_line: u32,
/// This node provides a new absolute baseline node for all instructions within this struct.
src_node: Ast.Node.Index,
pub const Small = packed struct {
has_captures_len: bool,
has_decls_len: bool,
name_strategy: NameStrategy,
_: u12 = undefined,
};
}