//! ref: composer/src/Composer/DependencyResolver/Operation/SolverOperation.php

/// PHP's abstract `SolverOperation` carries the per-class `TYPE` constant and the
/// `getOperationType()` / `__toString()` implementations shared by every operation. Only the
/// constant remains here; the shared implementations live on
/// [`AnyOperation`](crate::dependency_resolver::operation::AnyOperation).
pub trait SolverOperation {
    const TYPE: &'static str;
}