https://www.spring.io/spring-data/spring-data-commons: Global parent pom.xml to be used by Spring Data modules (Pivotal Software, Inc.) 
public class org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver extends org.springframework.data.web.PageableHandlerMethodArgumentResolverSupport implements org.springframework.web.reactive.result.method.SyncHandlerMethodArgumentResolver
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver
  super_class: org.springframework.data.web.PageableHandlerMethodArgumentResolverSupport
{
  private static final org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver DEFAULT_SORT_RESOLVER;
    descriptor: Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver sortResolver;
    descriptor: Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 41
            new org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver
            dup
            invokespecial org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver.<init>:()V
            putstatic org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.DEFAULT_SORT_RESOLVER:Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
         0: .line 49
            aload 0 /* this */
            getstatic org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.DEFAULT_SORT_RESOLVER:Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
            invokespecial org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.<init>:(Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;)V
         1: .line 50
            return
        end local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/springframework/data/web/ReactivePageableHandlerMethodArgumentResolver;

  public void <init>(org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver);
    descriptor: (Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
        start local 1 // org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver sortResolver
         0: .line 57
            aload 0 /* this */
            invokespecial org.springframework.data.web.PageableHandlerMethodArgumentResolverSupport.<init>:()V
         1: .line 59
            aload 1 /* sortResolver */
            ldc "ReactiveSortHandlerMethodArgumentResolver must not be null!"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 61
            aload 0 /* this */
            aload 1 /* sortResolver */
            putfield org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.sortResolver:Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
         3: .line 62
            return
        end local 1 // org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver sortResolver
        end local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lorg/springframework/data/web/ReactivePageableHandlerMethodArgumentResolver;
            0    4     1  sortResolver  Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
    MethodParameters:
              Name  Flags
      sortResolver  

  public boolean supportsParameter(org.springframework.core.MethodParameter);
    descriptor: (Lorg/springframework/core/MethodParameter;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
        start local 1 // org.springframework.core.MethodParameter parameter
         0: .line 70
            ldc Lorg/springframework/data/domain/Pageable;
            aload 1 /* parameter */
            invokevirtual org.springframework.core.MethodParameter.getParameterType:()Ljava/lang/Class;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // org.springframework.core.MethodParameter parameter
        end local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/springframework/data/web/ReactivePageableHandlerMethodArgumentResolver;
            0    1     1  parameter  Lorg/springframework/core/MethodParameter;
    MethodParameters:
           Name  Flags
      parameter  

  public org.springframework.data.domain.Pageable resolveArgumentValue(org.springframework.core.MethodParameter, org.springframework.web.reactive.BindingContext, org.springframework.web.server.ServerWebExchange);
    descriptor: (Lorg/springframework/core/MethodParameter;Lorg/springframework/web/reactive/BindingContext;Lorg/springframework/web/server/ServerWebExchange;)Lorg/springframework/data/domain/Pageable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=9, args_size=4
        start local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
        start local 1 // org.springframework.core.MethodParameter parameter
        start local 2 // org.springframework.web.reactive.BindingContext bindingContext
        start local 3 // org.springframework.web.server.ServerWebExchange exchange
         0: .line 82
            aload 3 /* exchange */
            invokeinterface org.springframework.web.server.ServerWebExchange.getRequest:()Lorg/springframework/http/server/reactive/ServerHttpRequest;
            invokeinterface org.springframework.http.server.reactive.ServerHttpRequest.getQueryParams:()Lorg/springframework/util/MultiValueMap;
            astore 4 /* queryParams */
        start local 4 // org.springframework.util.MultiValueMap queryParams
         1: .line 83
            aload 4 /* queryParams */
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.getPageParameterName:()Ljava/lang/String;
            aload 1 /* parameter */
            invokevirtual org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.getParameterNameToUse:(Ljava/lang/String;Lorg/springframework/core/MethodParameter;)Ljava/lang/String;
            invokeinterface org.springframework.util.MultiValueMap.getFirst:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 5 /* page */
        start local 5 // java.lang.String page
         2: .line 84
            aload 4 /* queryParams */
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.getSizeParameterName:()Ljava/lang/String;
            aload 1 /* parameter */
            invokevirtual org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.getParameterNameToUse:(Ljava/lang/String;Lorg/springframework/core/MethodParameter;)Ljava/lang/String;
            invokeinterface org.springframework.util.MultiValueMap.getFirst:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 6 /* pageSize */
        start local 6 // java.lang.String pageSize
         3: .line 86
            aload 0 /* this */
            getfield org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.sortResolver:Lorg/springframework/data/web/ReactiveSortHandlerMethodArgumentResolver;
            aload 1 /* parameter */
            aload 2 /* bindingContext */
            aload 3 /* exchange */
            invokevirtual org.springframework.data.web.ReactiveSortHandlerMethodArgumentResolver.resolveArgumentValue:(Lorg/springframework/core/MethodParameter;Lorg/springframework/web/reactive/BindingContext;Lorg/springframework/web/server/ServerWebExchange;)Lorg/springframework/data/domain/Sort;
            astore 7 /* sort */
        start local 7 // org.springframework.data.domain.Sort sort
         4: .line 88
            aload 0 /* this */
            aload 1 /* parameter */
            aload 5 /* page */
            aload 6 /* pageSize */
            invokevirtual org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.getPageable:(Lorg/springframework/core/MethodParameter;Ljava/lang/String;Ljava/lang/String;)Lorg/springframework/data/domain/Pageable;
            astore 8 /* pageable */
        start local 8 // org.springframework.data.domain.Pageable pageable
         5: .line 90
            aload 7 /* sort */
            invokevirtual org.springframework.data.domain.Sort.isSorted:()Z
            ifeq 6
            aload 8 /* pageable */
            invokeinterface org.springframework.data.domain.Pageable.getPageNumber:()I
            aload 8 /* pageable */
            invokeinterface org.springframework.data.domain.Pageable.getPageSize:()I
            aload 7 /* sort */
            invokestatic org.springframework.data.domain.PageRequest.of:(IILorg/springframework/data/domain/Sort;)Lorg/springframework/data/domain/PageRequest;
            goto 7
      StackMap locals: org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver org.springframework.core.MethodParameter org.springframework.web.reactive.BindingContext org.springframework.web.server.ServerWebExchange org.springframework.util.MultiValueMap java.lang.String java.lang.String org.springframework.data.domain.Sort org.springframework.data.domain.Pageable
      StackMap stack:
         6: aload 8 /* pageable */
      StackMap locals:
      StackMap stack: org.springframework.data.domain.Pageable
         7: areturn
        end local 8 // org.springframework.data.domain.Pageable pageable
        end local 7 // org.springframework.data.domain.Sort sort
        end local 6 // java.lang.String pageSize
        end local 5 // java.lang.String page
        end local 4 // org.springframework.util.MultiValueMap queryParams
        end local 3 // org.springframework.web.server.ServerWebExchange exchange
        end local 2 // org.springframework.web.reactive.BindingContext bindingContext
        end local 1 // org.springframework.core.MethodParameter parameter
        end local 0 // org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    8     0            this  Lorg/springframework/data/web/ReactivePageableHandlerMethodArgumentResolver;
            0    8     1       parameter  Lorg/springframework/core/MethodParameter;
            0    8     2  bindingContext  Lorg/springframework/web/reactive/BindingContext;
            0    8     3        exchange  Lorg/springframework/web/server/ServerWebExchange;
            1    8     4     queryParams  Lorg/springframework/util/MultiValueMap<Ljava/lang/String;Ljava/lang/String;>;
            2    8     5            page  Ljava/lang/String;
            3    8     6        pageSize  Ljava/lang/String;
            4    8     7            sort  Lorg/springframework/data/domain/Sort;
            5    8     8        pageable  Lorg/springframework/data/domain/Pageable;
    RuntimeVisibleAnnotations: 
      javax.annotation.Nonnull()
    RuntimeVisibleTypeAnnotations: 
      METHOD_RETURN
        javax.annotation.Nonnull()
    MethodParameters:
                Name  Flags
      parameter       
      bindingContext  
      exchange        

  public java.lang.Object resolveArgumentValue(org.springframework.core.MethodParameter, org.springframework.web.reactive.BindingContext, org.springframework.web.server.ServerWebExchange);
    descriptor: (Lorg/springframework/core/MethodParameter;Lorg/springframework/web/reactive/BindingContext;Lorg/springframework/web/server/ServerWebExchange;)Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=4, locals=4, args_size=4
         0: .line 1
            aload 0
            aload 1
            aload 2
            aload 3
            invokevirtual org.springframework.data.web.ReactivePageableHandlerMethodArgumentResolver.resolveArgumentValue:(Lorg/springframework/core/MethodParameter;Lorg/springframework/web/reactive/BindingContext;Lorg/springframework/web/server/ServerWebExchange;)Lorg/springframework/data/domain/Pageable;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "ReactivePageableHandlerMethodArgumentResolver.java"