http://jdbi.org/: jdbi is designed to provide convenient tabular data access in Java(tm). It uses the Java collections framework for query results, provides a convenient means of externalizing sql statements, and provides named parameter support for any database being used. 
public class org.jdbi.v3.core.mapper.Mappers implements org.jdbi.v3.core.config.JdbiConfig<org.jdbi.v3.core.mapper.Mappers>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.jdbi.v3.core.mapper.Mappers
  super_class: java.lang.Object
{
  private org.jdbi.v3.core.mapper.RowMappers rowMappers;
    descriptor: Lorg/jdbi/v3/core/mapper/RowMappers;
    flags: (0x0002) ACC_PRIVATE

  private org.jdbi.v3.core.mapper.ColumnMappers columnMappers;
    descriptor: Lorg/jdbi/v3/core/mapper/ColumnMappers;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jdbi/v3/core/mapper/Mappers;

  public void setRegistry(org.jdbi.v3.core.config.ConfigRegistry);
    descriptor: (Lorg/jdbi/v3/core/config/ConfigRegistry;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
        start local 1 // org.jdbi.v3.core.config.ConfigRegistry registry
         0: .line 40
            aload 0 /* this */
            aload 1 /* registry */
            ldc Lorg/jdbi/v3/core/mapper/RowMappers;
            invokevirtual org.jdbi.v3.core.config.ConfigRegistry.get:(Ljava/lang/Class;)Lorg/jdbi/v3/core/config/JdbiConfig;
            checkcast org.jdbi.v3.core.mapper.RowMappers
            putfield org.jdbi.v3.core.mapper.Mappers.rowMappers:Lorg/jdbi/v3/core/mapper/RowMappers;
         1: .line 41
            aload 0 /* this */
            aload 1 /* registry */
            ldc Lorg/jdbi/v3/core/mapper/ColumnMappers;
            invokevirtual org.jdbi.v3.core.config.ConfigRegistry.get:(Ljava/lang/Class;)Lorg/jdbi/v3/core/config/JdbiConfig;
            checkcast org.jdbi.v3.core.mapper.ColumnMappers
            putfield org.jdbi.v3.core.mapper.Mappers.columnMappers:Lorg/jdbi/v3/core/mapper/ColumnMappers;
         2: .line 42
            return
        end local 1 // org.jdbi.v3.core.config.ConfigRegistry registry
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/jdbi/v3/core/mapper/Mappers;
            0    3     1  registry  Lorg/jdbi/v3/core/config/ConfigRegistry;
    MethodParameters:
          Name  Flags
      registry  

  public <T> java.util.Optional<org.jdbi.v3.core.mapper.RowMapper<T>> findFor(java.lang.Class<T>);
    descriptor: (Ljava/lang/Class;)Ljava/util/Optional;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
        start local 1 // java.lang.Class type
         0: .line 58
            aload 0 /* this */
            aload 1 /* type */
            invokevirtual org.jdbi.v3.core.mapper.Mappers.findFor:(Ljava/lang/reflect/Type;)Ljava/util/Optional;
            aconst_null
            invokevirtual java.util.Optional.orElse:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.jdbi.v3.core.mapper.RowMapper
            astore 2 /* mapper */
        start local 2 // org.jdbi.v3.core.mapper.RowMapper mapper
         1: .line 59
            aload 2 /* mapper */
            invokestatic java.util.Optional.ofNullable:(Ljava/lang/Object;)Ljava/util/Optional;
            areturn
        end local 2 // org.jdbi.v3.core.mapper.RowMapper mapper
        end local 1 // java.lang.Class type
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/jdbi/v3/core/mapper/Mappers;
            0    2     1    type  Ljava/lang/Class<TT;>;
            1    2     2  mapper  Lorg/jdbi/v3/core/mapper/RowMapper<TT;>;
    Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;)Ljava/util/Optional<Lorg/jdbi/v3/core/mapper/RowMapper<TT;>;>;
    MethodParameters:
      Name  Flags
      type  

  public <T> java.util.Optional<org.jdbi.v3.core.mapper.RowMapper<T>> findFor(org.jdbi.v3.core.generic.GenericType<T>);
    descriptor: (Lorg/jdbi/v3/core/generic/GenericType;)Ljava/util/Optional;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
        start local 1 // org.jdbi.v3.core.generic.GenericType type
         0: .line 76
            aload 0 /* this */
            aload 1 /* type */
            invokevirtual org.jdbi.v3.core.generic.GenericType.getType:()Ljava/lang/reflect/Type;
            invokevirtual org.jdbi.v3.core.mapper.Mappers.findFor:(Ljava/lang/reflect/Type;)Ljava/util/Optional;
            aconst_null
            invokevirtual java.util.Optional.orElse:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.jdbi.v3.core.mapper.RowMapper
            astore 2 /* mapper */
        start local 2 // org.jdbi.v3.core.mapper.RowMapper mapper
         1: .line 77
            aload 2 /* mapper */
            invokestatic java.util.Optional.ofNullable:(Ljava/lang/Object;)Ljava/util/Optional;
            areturn
        end local 2 // org.jdbi.v3.core.mapper.RowMapper mapper
        end local 1 // org.jdbi.v3.core.generic.GenericType type
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/jdbi/v3/core/mapper/Mappers;
            0    2     1    type  Lorg/jdbi/v3/core/generic/GenericType<TT;>;
            1    2     2  mapper  Lorg/jdbi/v3/core/mapper/RowMapper<TT;>;
    Signature: <T:Ljava/lang/Object;>(Lorg/jdbi/v3/core/generic/GenericType<TT;>;)Ljava/util/Optional<Lorg/jdbi/v3/core/mapper/RowMapper<TT;>;>;
    MethodParameters:
      Name  Flags
      type  

  public java.util.Optional<org.jdbi.v3.core.mapper.RowMapper<?>> findFor(java.lang.reflect.Type);
    descriptor: (Ljava/lang/reflect/Type;)Ljava/util/Optional;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
        start local 1 // java.lang.reflect.Type type
         0: .line 92
            iconst_2
            anewarray java.util.function.Supplier
            dup
            iconst_0
         1: .line 93
            aload 0 /* this */
            aload 1 /* type */
            invokedynamic get(Lorg/jdbi/v3/core/mapper/Mappers;Ljava/lang/reflect/Type;)Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  org/jdbi/v3/core/mapper/Mappers.lambda$0(Ljava/lang/reflect/Type;)Ljava/util/Optional; (7)
                  ()Ljava/util/Optional;
            aastore
            dup
            iconst_1
         2: .line 94
            aload 0 /* this */
            aload 1 /* type */
            invokedynamic get(Lorg/jdbi/v3/core/mapper/Mappers;Ljava/lang/reflect/Type;)Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  org/jdbi/v3/core/mapper/Mappers.lambda$1(Ljava/lang/reflect/Type;)Ljava/util/Optional; (7)
                  ()Ljava/util/Optional;
            aastore
         3: .line 92
            invokestatic org.jdbi.v3.core.internal.JdbiOptionals.findFirstPresent:([Ljava/util/function/Supplier;)Ljava/util/Optional;
            areturn
        end local 1 // java.lang.reflect.Type type
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/jdbi/v3/core/mapper/Mappers;
            0    4     1  type  Ljava/lang/reflect/Type;
    Signature: (Ljava/lang/reflect/Type;)Ljava/util/Optional<Lorg/jdbi/v3/core/mapper/RowMapper<*>;>;
    MethodParameters:
      Name  Flags
      type  

  public org.jdbi.v3.core.mapper.Mappers createCopy();
    descriptor: ()Lorg/jdbi/v3/core/mapper/Mappers;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
         0: .line 99
            new org.jdbi.v3.core.mapper.Mappers
            dup
            invokespecial org.jdbi.v3.core.mapper.Mappers.<init>:()V
            areturn
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jdbi/v3/core/mapper/Mappers;

  public org.jdbi.v3.core.config.JdbiConfig createCopy();
    descriptor: ()Lorg/jdbi/v3/core/config/JdbiConfig;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual org.jdbi.v3.core.mapper.Mappers.createCopy:()Lorg/jdbi/v3/core/mapper/Mappers;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private java.util.Optional lambda$0(java.lang.reflect.Type);
    descriptor: (Ljava/lang/reflect/Type;)Ljava/util/Optional;
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
         0: .line 93
            aload 0 /* this */
            getfield org.jdbi.v3.core.mapper.Mappers.rowMappers:Lorg/jdbi/v3/core/mapper/RowMappers;
            aload 1
            invokevirtual org.jdbi.v3.core.mapper.RowMappers.findFor:(Ljava/lang/reflect/Type;)Ljava/util/Optional;
            areturn
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jdbi/v3/core/mapper/Mappers;

  private java.util.Optional lambda$1(java.lang.reflect.Type);
    descriptor: (Ljava/lang/reflect/Type;)Ljava/util/Optional;
    flags: (0x1002) ACC_PRIVATE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.jdbi.v3.core.mapper.Mappers this
         0: .line 94
            aload 0 /* this */
            getfield org.jdbi.v3.core.mapper.Mappers.columnMappers:Lorg/jdbi/v3/core/mapper/ColumnMappers;
            aload 1
            invokevirtual org.jdbi.v3.core.mapper.ColumnMappers.findFor:(Ljava/lang/reflect/Type;)Ljava/util/Optional;
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/jdbi/v3/core/mapper/SingleColumnMapper.<init>(Lorg/jdbi/v3/core/mapper/ColumnMapper;)V (8)
                  (Lorg/jdbi/v3/core/mapper/ColumnMapper;)Lorg/jdbi/v3/core/mapper/RowMapper;
            invokevirtual java.util.Optional.map:(Ljava/util/function/Function;)Ljava/util/Optional;
            areturn
        end local 0 // org.jdbi.v3.core.mapper.Mappers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jdbi/v3/core/mapper/Mappers;
}
Signature: Ljava/lang/Object;Lorg/jdbi/v3/core/config/JdbiConfig<Lorg/jdbi/v3/core/mapper/Mappers;>;
SourceFile: "Mappers.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles