src/vs/editor/contrib/inlineCompletions/inlineCompletionsModel.ts/InlineCompletionsModel/trigger
class InlineCompletionsModel:	public trigger(): void {
		if (this.completionSession.value) {
			return;
		}
		this.completionSession.value = new InlineCompletionsSession(this.editor, this.editor.getPosition(), () => this.active, this.commandService);
		this.completionSession.value.takeOwnership(
			this.completionSession.value.onDidChange(() => {
				this.onDidChangeEmitter.fire();
			})
		);
	}