Java tutorial
package org.apache.http.params; @Deprecated public interface CoreProtocolPNames { public static final String HTTP_CONTENT_CHARSET = "http.protocol.content-charset"; public static final String HTTP_ELEMENT_CHARSET = "http.protocol.element-charset"; public static final String HTTP_MALFORMED_INPUT_ACTION = "http.malformed.input.action"; public static final String HTTP_UNMAPPABLE_INPUT_ACTION = "http.unmappable.input.action"; public static final String ORIGIN_SERVER = "http.origin-server"; public static final String PROTOCOL_VERSION = "http.protocol.version"; public static final String STRICT_TRANSFER_ENCODING = "http.protocol.strict-transfer-encoding"; public static final String USER_AGENT = "http.useragent"; public static final String USE_EXPECT_CONTINUE = "http.protocol.expect-continue"; public static final String WAIT_FOR_CONTINUE = "http.protocol.wait-for-continue"; }