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The Adobe Experience Manager SDK

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package org.apache.sling.scripting.sightly.compiler.commands;

import org.osgi.annotation.versioning.ProviderType;

/**
 * A {@code Command} represents the type of instruction a certain HTL expression or block element should execute. Commands are immutable
 * and can only be processed through a {@link CommandVisitor}.
 */
@ProviderType
public interface Command {

    /**
     * Accept a visitor.
     *
     * @param visitor the visitor that will process this command
     */
    void accept(CommandVisitor visitor);

}