The list of all referencing bundles is available here.
The following bundles have references to org.eclipse.equinox.p2.metadata (2.0.0.v20100601)
Bundle | Version | Reference Count |
org.eclipse.pde.build | 3.6.0.v20100603 | 24 |
org.eclipse.pde.core | 3.6.0.v20100601 | 124 |
org.eclipse.pde.ui | 3.6.0.v20100601 | 147 |