Struct SiblingExpansion 

pub struct SiblingExpansion {
    pub prefix: String,
    pub extension: String,
    pub root_only: bool,
}

Describes how to find sibling files that belong to the same logical module/package. Used by import resolution to expand candidate search scope.

Fields

prefix: String

Directory prefix to match (e.g., “pkg/” or “” for root-level).

extension: String

File extension to match (e.g., “go”, “py”). Empty means any extension.

root_only: bool

If true, only match files without directory separators (root-level only).