<BUG>import io.typefox.lsapi.FileEvent;import io.typefox.lsapi.PublishDiagnosticsParams;</BUG><CONTEXT>package com.palantir.ls.server;import com.palantir.ls.server.api.CompilerWrapper;import com.palantir.ls.server.api.TreeParser;import com.palantir.ls.server.api.WorkspaceCompiler;<extra_id_0>import io.typefox.lsapi.ReferenceParams;import io.typefox.lsapi.SymbolInformation;import io.typefox.lsapi.TextDocumentContentChangeEvent;</CONTEXT>
import com.google.common.base.Optional;import io.typefox.lsapi.Location;import io.typefox.lsapi.Position;import io.typefox.lsapi.PublishDiagnosticsParams;