extensions/typescript-language-features/src/languageFeatures/implementations.ts/TypeScriptImplementationProvider/provideImplementation
class TypeScriptImplementationProvider:	public provideImplementation(document: vscode.TextDocument, position: vscode.Position, token: vscode.CancellationToken): Promise<vscode.Definition | undefined> {
		return this.getSymbolLocations('implementation', document, position, token);
	}