https://openjdk.java.net/ 
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package jdk.internal.editor.spi;

import java.util.function.Consumer;


Defines the provider of a built-in editor.

/**
 * Defines the provider of a built-in editor.
 */
public interface BuildInEditorProvider {

    
Returns:the rank of a provider, greater is better.
/**
     * @return the rank of a provider, greater is better.
     */
    int rank();

    
Create a simple built-in editor.

Params:
  • windowLabel – the label string for the Edit Pad window, or null,
for default window label
  • initialText – the source to load in the Edit Pad
  • saveHandler – a handler for changed source (can be sent the full source)
  • errorHandler – a handler for unexpected errors
/**
     * Create a simple built-in editor.
     *
     * @param windowLabel the label string for the Edit Pad window, or null,
     * for default window label
     * @param initialText the source to load in the Edit Pad
     * @param saveHandler a handler for changed source (can be sent the full source)
     * @param errorHandler a handler for unexpected errors
     */
    void edit(String windowLabel, String initialText,
            Consumer<String> saveHandler, Consumer<String> errorHandler);
}